Advertisement
| anatomy of sperm cells: Molecular Biology of the Cell , 2002 |
| anatomy of sperm cells: Anatomy and Physiology J. Gordon Betts, Peter DeSaix, Jody E. Johnson, Oksana Korol, Dean H. Kruse, Brandon Poe, James A. Wise, Mark Womble, Kelly A. Young, 2013-04-25 |
| anatomy of sperm cells: Sperm Differentiation and Spermatozoa Function: Mechanisms, Diagnostics, and Treatment Tomer Avidor-Reiss, Zhibing Zhang, Xin Zhiguo Li, 2020-05-22 |
| anatomy of sperm cells: The Sperm Cell Christopher J. De Jonge, Christopher Barratt, 2006-04-06 Originally published in 2006, this is a comprehensive and definitive account of the human male gamete. The volume summarizes many unique and revealing characteristics of the sperm cell. It provides a detailed overview of human sperm production, maturation and function, and looks at how these processes affect and influence fertility, infertility and ART. The volume thus provides a detailed review of the most important research and developments, augmented with pertinent references. This book will appeal to all practitioners and scientists in reproductive medicine and in particular to clinical scientists, graduate and post-graduate scientists, and laboratory personnel. |
| anatomy of sperm cells: Bovine Reproduction Richard M. Hopper, 2014-08-18 Bovine Reproduction is a comprehensive, current reference providing information on all aspects of reproduction in the bull and cow. Offering fundamental knowledge on evaluating and restoring fertility in the bovine patient, the book also places information in the context of herd health where appropriate for a truly global view of bovine theriogenology. Printed in full color throughout, the book includes 83 chapters and more than 550 images, making it the most exhaustive reference available on this topic. Each section covers anatomy and physiology, breeding management, and reproductive surgery, as well as obstetrics and pregnancy wastage in the cow. Bovine Reproduction is a welcome resource for bovine practitioners, theriogenologists, and animal scientists, as well as veterinary students and residents with an interest in the cow. |
| anatomy of sperm cells: Fertility Preservation in Male Cancer Patients John P. Mulhall, 2013-02-21 Written by international authorities, this book is aimed at clinicians dealing with male patients rendered infertile by cancer therapy. |
| anatomy of sperm cells: The Sertoli Cell Lonnie Dee Russell, Michael D. Griswold, 1993 |
| anatomy of sperm cells: Textbook of Clinical Embryology Kevin Coward, Dagan Wells, 2013-10-31 The success of Assisted Reproductive Technology is critically dependent upon the use of well optimized protocols, based upon sound scientific reasoning, empirical observations and evidence of clinical efficacy. Recently, the treatment of infertility has experienced a revolution, with the routine adoption of increasingly specialized molecular biological techniques and advanced methods for the manipulation of gametes and embryos. This textbook – inspired by the postgraduate degree program at the University of Oxford – guides students through the multidisciplinary syllabus essential to ART laboratory practice, from basic culture techniques and micromanipulation to laboratory management and quality assurance, and from endocrinology to molecular biology and research methods. Written for all levels of IVF practitioners, reproductive biologists and technologists involved in human reproductive science, it can be used as a reference manual for all IVF labs and as a textbook by undergraduates, advanced students, scientists and professionals involved in gamete, embryo or stem cell biology. |
| anatomy of sperm cells: Anatomy & Physiology Lindsay Biga, Devon Quick, Sierra Dawson, Amy Harwell, Robin Hopkins, Joel Kaufmann, Mike LeMaster, Philip Matern, Katie Morrison-Graham, Jon Runyeon, 2019-09-26 A version of the OpenStax text |
| anatomy of sperm cells: WHO Laboratory Manual for the Examination of Human Semen and Sperm-Cervical Mucus Interaction World Health Organisation, 1999-05-13 The definitive and essential source of reference for all laboratories involved in the analysis of human semen. |
| anatomy of sperm cells: An Introduction to Male Reproductive Medicine Craig Niederberger, 2011-03-24 An Introduction to Male Reproductive Medicine is written specifically for readers seeking entry into this fast-moving, complex specialty with a solid understanding of the subject. The first chapters cover the anatomy and physiology, clinical evaluation, surgery, medicine, genetics and laboratory testing involved in the current evaluation and treatment of the infertile male, and the final chapter describes the interaction of the field with female reproductive medicine. Throughout the book, references are directly made to the fourth edition of the major text in the specialty, Infertility in the Male, edited by Larry Lipshultz, Stuart Howards and Craig Niederberger, allowing readers to expand their understanding of specific areas where desired. Each chapter is written by a well-renowned expert in an easy to follow, informal style, making the text ideal for students, residents and general physicians who are seeking to increase their general knowledge of the field. |
| anatomy of sperm cells: Sperm Biology Scott S. Pitnick, Dave J. Hosken, Tim R. Birkhead, 2008-11-21 Sperm Biology represents the first analysis of the evolutionary significance of sperm phenotypes and derived sperm traits and the possible selection pressures responsible for sperm-egg coevolution. An understanding of sperm evolution is fast developing and promises to shed light on many topics from basic reproductive biology to the evolutionary process itself as well as the sperm proteome, the sperm genome and the quantitative genetics of sperm. The Editors have identified 15 topics of current interest and biological significance to cover all aspects of this bizarre, fascinating and important subject. It comprises the most comprehensive and up-to-date review of the evolution of sperm and pointers for future research, written by experts in both sperm biology and evolutionary biology. The combination of evolution and sperm is a potent mix, and this is the definitive account. - The first review survey of this emerging field - Written by experts from a broad array of disciplines from the physiological and biomedical to the ecological and evolutionary - Sheds light on the intricacies of reproduction and the coevolution of sperm, egg and reproductive behavior |
| anatomy of sperm cells: Dynamics of the Mammalian Sperm Head Kiyotaka Toshimori, 2009-05-08 Mammalian spermatozoa have complex structures. The structure-function relationship of sperm has been studied from various viewpoints. Accumulated evidence has shown that the sperm components undergo sequential changes from the beginning of spermatogenesis to the time of fertilization/embryogenesis. Structural analyses have been performed using various new techniques of light and electron microscopy as well as immunohistochemistry and immunocytochemistry in combination with specific probes such as antibodies against sperm components. Recently developed gene-manipulation techniques have accelerated investigations on the events that govern the relationship between the structure and molecular components of sperm. In addition, animal models with gene manipulations have been shown to exhibit various morphological and functional abnormalities that lead to infertility. In this book, I discuss the events that occur in the normal sperm head and govern the structure-function relationship from the time of spermatogenesis to that of fertilization or egg activation. In this regard, I describe dynamic modifications and maturation events occurring in sperm-head components and compare the outcomes of these events with the outcomes of their failure. |
| anatomy of sperm cells: Infertility in the Male Larry I. Lipshultz, Stuart S. Howards, Craig S. Niederberger, 2009-09-24 The new edition of this canonical text on male reproductive medicine will cement the book's market-leading position. Practitioners across many specialties - including urologists, gynecologists, reproductive endocrinologists, medical endocrinologists and many in internal medicine and family practice – will see men with suboptimal fertility and reproductive problems. The book provides an excellent source of timely, well-considered information for those training in this young and rapidly evolving field. While several recent books provide targeted 'cookbooks' for those in a male reproductive laboratory, or quick reference for practising generalists, the modern, comprehensive reference providing both a background for male reproductive medicine as well as clinical practice information based on that foundation has been lacking until now. The book has been extensively revised with a particular focus on modern molecular medicine. Appropriate therapeutic interventions are highlighted throughout. |
| anatomy of sperm cells: The Testis Henry G. Burger, David M. De Kretser, 1981 |
| anatomy of sperm cells: Compendium of Histology Anders Rehfeld, Malin Nylander, Kirstine Karnov, 2017-09-07 This book has been designed to help medical students succeed with their histology classes, while using less time on studying the curriculum. The book can both be used on its own or as a supplement to the classical full-curriculum textbooks normally used by the students for their histology classes. Covering the same curriculum as the classical textbooks, from basic tissue histology to the histology of specific organs, this book is formatted and organized in a much simpler and intuitive way. Almost all text is formatted in bullets or put into structured tables. This makes it quick and easy to digest, helping the student get a good overview of the curriculum. It is easy to locate specific information in the text, such as the size of cellular structures etc. Additionally, each chapter includes simplified illustrations of various histological features. The aim of the book is to be used to quickly brush up on the curriculum, e.g. before a class or an exam. Additionally, the book includes guides to distinguish between the different histological tissues and organs that can be presented to students microscopically, e.g. during a histology spot test. This guide lists the specific characteristics of the different histological specimens and also describes how to distinguish a specimen from other similar specimens. For each histological specimen, a simplified drawing and a photomicrograph of the specimen, is presented to help the student recognize the important characteristics in the microscope. Lastly, the book contains multiple “memo boxes” in which parts of the curriculum are presented as easy-to-remember mnemonics. |
| anatomy of sperm cells: Reproduction in Farm Animals E. S. E. Hafez, B. Hafez, 2013-05-13 When you're looking for a comprehensive and reliable text on large animal reproduction, look no further! the seventh edition of this classic text is geared for the undergraduate student in Agricultural Sciences and Veterinary Medicine. In response to reader feedback, Dr. Hafez has streamlined and edited the entire text to remove all repetitious and nonessential material. That means you'll learn more in fewer pages. Plus the seventh editing is filled with features that help you grasp the concepts of reproduction in farm animals so you'll perform better on exams and in practice: condensed and simplified tables, so they're easier to consult an easy-to-scan glossary at the end of the book an expanded appendix, which includes graphic illustrations of assisted reproduction technology Plus, you'll find valuable NEW COVERAGE on all these topics: Equine Reproduction: expanded information reflecting today's knowledge Llamas (NEW CHAPTER) Micromanipulation of Gametes and In Vitro Fertilization (NEW CHAPTER!) Reach for the text that's revised with the undergraduate in mind: the seventh edition of Hafez's Reproduction in Farm Animals. |
| anatomy of sperm cells: Meiosis and Gametogenesis , 1997-11-24 In spite of the fact that the process of meiosis is fundamental to inheritance, surprisingly little is understood about how it actually occurs. There has recently been a flurry of research activity in this area and this volume summarizes the advances coming from this work. All authors are recognized and respected research scientists at the forefront of research in meiosis. Of particular interest is the emphasis in this volume on meiosis in the context of gametogenesis in higher eukaryotic organisms, backed up by chapters on meiotic mechanisms in other model organisms. The focus is on modern molecular and cytological techniques and how these have elucidated fundamental mechanisms of meiosis. Authors provide easy access to the literature for those who want to pursue topics in greater depth, but reviews are comprehensive so that this book may become a standard reference.Key Features* Comprehensive reviews that, taken together, provide up-to-date coverage of a rapidly moving field* Features new and unpublished information* Integrates research in diverse organisms to present an overview of common threads in mechanisms of meiosis* Includes thoughtful consideration of areas for future investigation |
| anatomy of sperm cells: Male Reproductive Anatomy Wei Wu, 2022-01-19 The male reproductive system, which is made up of the testes, scrotum, epididymis, vas deferens, seminal vesicles, prostate gland, bulbourethral gland, ejaculatory duct, urethra, and penis, functions mainly in the production, nourishment, and temporary storage of spermatozoa. Epigenetic modifications are essential to regulate normal gonadal development and spermatogenesis. The sperm epigenome is highly susceptible influence by a wide spectrum of environmental stimuli. This book focuses on the male reproductive system, discussing topics ranging from aspects of anatomy and risk factors for male infertility to clinical techniques and management of male reproductive health. |
| anatomy of sperm cells: Concepts of Biology Samantha Fowler, Rebecca Roush, James Wise, 2023-05-12 Black & white print. Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes interesting applications and conveys the major themes of biology, with content that is meaningful and easy to understand. The book is designed to demonstrate biology concepts and to promote scientific literacy. |
| anatomy of sperm cells: Sperm Competition in Humans Nicholas Pound, 2006 This volume presents the intricate ways in which sperm compete to fertilize eggs and how this has prompted reinterpretations of breeding behavior from a biological perspective. Sperm Competition in Humans: Classic and Contemporary Readings provides a theoretical framework for the study of sperm competition and also discusses the roles of females and the relationships between paternal care in sperm competition. The chapters focus on everything from evolutionary biology to taxonomic development. |
| anatomy of sperm cells: Biology for AP ® Courses Julianne Zedalis, John Eggebrecht, 2017-10-16 Biology for AP® courses covers the scope and sequence requirements of a typical two-semester Advanced Placement® biology course. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology for AP® Courses was designed to meet and exceed the requirements of the College Board’s AP® Biology framework while allowing significant flexibility for instructors. Each section of the book includes an introduction based on the AP® curriculum and includes rich features that engage students in scientific practice and AP® test preparation; it also highlights careers and research opportunities in biological sciences. |
| anatomy of sperm cells: The Epididymis: From Molecules to Clinical Practice Bernard Robaire, Barry Hinton, M.-C. Orgebin-Crist, 2002 The epididymis has become increasingly important to researchers engaged in fertility and its regulation. Until now, no single volume review of the field has been available. The Epididymis: From Molecules to Clinical Practice A Comprehensive Survey of Efferent Ducts, The Epididymis and the Vas Deferens will provide a complete, up-to-date, in-depth review of the research on the male reproductive tract. Structure, function, and molecular mechanisms underlying the control of the efferent ducts, epididymis, and vas deferens will be reviewed. |
| anatomy of sperm cells: International Review of Cytology , 1992-12-02 International Review of Cytology |
| anatomy of sperm cells: Encyclopedia of Reproduction , 2018-06-29 Encyclopedia of Reproduction, Second Edition, Six Volume Set comprehensively reviews biology and abnormalities, also covering the most common diseases in humans, such as prostate and breast cancer, as well as normal developmental biology, including embryogenesis, gestation, birth and puberty. Each article provides a comprehensive overview of the selected topic to inform a broad spectrum of readers, from advanced undergraduate students, to research professionals. Chapters also explore the latest advances in cloning, stem cells, endocrinology, clinical reproductive medicine and genomics. As reproductive health is a fundamental component of an individual’s overall health status and a central determinant of quality of life, this book provides the most extensive and authoritative reference within the field. Provides a one-stop shop for information on reproduction that is not available elsewhere Includes extensive coverage of the full range of topics, from basic, to clinical considerations, including evolutionary advances in molecular, cellular, developmental and clinical sciences Includes multimedia and interactive teaching tools, such as downloadable PowerPoint slides, video content and interactive elements, such as the Virtual Microscope |
| anatomy of sperm cells: A Comparative Overview of Mammalian Fertilization Bonnie S. Dunbar, M. G. O'Rand, 2014-01-15 |
| anatomy of sperm cells: DeGowin's Diagnostic Examination, 11th Edition Richard F. LeBlond, Donald D. Brown, Manish Suneja, 2020-07-10 The classic guide to the undifferentiated patient–enhanced by new cases A Doody's Core Title for 2024 & 2024! Technological advances have taken testing and imaging to remarkable new places—yet establishing patient history and performing physical examinations are more important now than ever. This classic guide has been showing students and clinicians how to approach the diagnostic process thoughtfully and systematically for decades—and this revised edition brings you completely up to date. Part physical examination primer, part differential diagnosis tool, DeGowin's Diagnostic Examination provides the information and insights you need to make accurate, evidence-based diagnostic hypotheses. Covering all physical exam techniques and procedures, this updated edition shows how to collect clinical findings gleaned from the physical examination and synthesize them into a differential diagnosis. • Covers the latest developments in evidence-based physical examinations • Explains how to obtain a complete patient history and perform a thorough physical exam • Organized by signs, symptoms, and syndromes to make finding what you need quick and easy • Connects symptoms and signs with disease pathophysiology • Facilitates efficient, cost-effective diagnostic testing using focused differential diagnoses This classic guide continues to effectively combine current diagnostic practices with the unchanging aspects of clinical medicine. |
| anatomy of sperm cells: The Biology of the Sperm Cell Baccio Baccetti, Björn Afzelius, 1976 |
| anatomy of sperm cells: Pathophysiology of Disease: An Introduction to Clinical Medicine 7/E (ENHANCED EBOOK) Gary D. Hammer, Stephen J. McPhee, 2014-03-22 A full-color, case-based review of the essentials of pathophysiology--covering all major organs and systems The goal of this trusted text is to introduce you to clinical medicine by reviewing the pathophysiologic basis of 120 diseases (and associated signs and symptoms) commonly encountered in medical practice. The authors, all experts in their respective fields, have provided a concise review of relevant normal structure and function of each body system, followed by a description of the pathophysiologic mechanisms that underlie several common diseases related to that system. Each chapter of Pathophysiology of Disease concludes with a collection of case studies and questions designed to test your understanding of the pathophysiology of each clinical entity discussed. These case studies allow you to apply your knowledge to specific clinical situations. Detailed answers to each case study question are provided at the end of the book. This unique interweaving of physiological and pathological concepts will put you on the path toward thinking about signs and symptoms in terms of their pathophysiologic basis, giving you an understanding of the why behind illness and treatment. Features 120 case studies (9 new) provide an opportunity for you to test your understanding of the pathophysiology of each clinical entity discussed Checkpoint questions provide review and appear in every chapter Updates and revisions throughout this new edition reflect the latest research and developments Numerous tables and diagrams encapsulate important information Updated references for each chapter topic Pathophysiology of Disease is a true must-have resource for medical students preparing for the USMLE Step 1 exam, as well as students engaged in their clerkship studies. House officers, nurses, nurse practitioners, physicians’ assistants, and allied health practitioners will find its concise presentation and broad scope a great help in facilitating their understanding of common disease entities. |
| anatomy of sperm cells: The Leydig Cell Anita H. Payne, Matthew P. Hardy, Lonnie Dee Russell, 1996 |
| anatomy of sperm cells: Hormonal Control of Reproduction Colin Russell Austin, Roger Valentine Short, 1984 In this, our Second Edition of Reproduction in Mammals, we are responding to numerous requests for a more up-to-date and rather more detailed treatment of the subject. The First Edition was accorded an excellent reception, but the first five books were written ten years ago and inevitably there have been advances on many fronts since then. As before, the manner of presentation is intended to make the subject matter interesting to read and readily comprehensible to undergraduates in the biological sciences, and yet with sufficient depth to provide a valued source of information to graduates engaged in both teaching and research. Our authors have been selected from among the best known in their respective fields. This volume discusses the manifold ways in which hormones control the reproductive processes in male and female mammals. The hypothalamus regulates both the anterior and posterior pituitary glands, whilst the pineal can exert a modulating influence on the hypothalamus. The pituitary gonadotrophins regulate the endocrine and gametogenic activities of the gonads, and there are important local feedback effects of hormones within the gonads themselves. Non-pregnant females display many different types of oestrous or menstrual cycles, and there are likewise great species differences in the endocrinology of pregnancy. But the hallmark of mammals is lactation, and this also exerts a major control on subsequent reproductive activity. |
| anatomy of sperm cells: A Textbook of Clinical Embryology Eliezer Girsh, 2021-05-06 Personnel working in assisted reproductive technology often lack the opportunities for dedicated training in the specialized techniques and technologies required for the procedures. As such, success in the form of live birth rates can range from over 50% to less than 10% per treatment cycle. This comprehensive introductory textbook is an essential resource for trainee embryologists, medical students and nurses. The recent revolutions in biotechnology and molecular biology involved in delivering assisted reproductive services are thoroughly discussed. Basic knowledge such as the development and physiology of both male and female reproductive systems is covered, with practical aspects of IVF including gamete and embryo manipulation, cryopreservation and genetic testing explained in detail. A full description of the optimal structure and management of the IVF laboratory is given, helping ensure procedures are safe and effective. Extensive and highly detailed colour illustrations bring the content to life and aids readers in their understanding. |
| anatomy of sperm cells: Andrology for the Clinician Wolf-Bernhard Schill, Frank H. Comhaire, Timothy B. Hargreave, 2006-08-26 Andrology for the Clinician consists of two parts: In Part One, the busy clinician can easily find the problem-orientated information he or she needs on such issues as male factor fertility problems, male contraception, and male genital tract infection and tumours. Part Two contains in-depth subject-orientated information and adds important scientific background information to the recommendations received in Part One. Several leading experts have contributed to this work, which has been extensively subedited by world-renowned editors to ensure a well-structured didactic design and homogeneous content. This outstanding book is of great value for all Urologists, Andrologists, Dermatologists, Endocrinologists, Gynaecologists, Reproductive Biologists, GPs, Gerontologists, Psychologists, Psychiatrists, Paediatricians and anyone else interested in the problems of male sex and constitution. |
| anatomy of sperm cells: Sertoli Cell Biology Michael K. Skinner, Michael D. Griswold, 2004-11-23 Sertoli cells assist in the production of sperm in the male reproductive system. This book provides a state-of-the-art update on the topic of sertoli cells and male reproduction. It addresses such highly topical areas as stem cells, genomics, and molecular genetics, as well as provides historical information on the discovery of this type of cell, and the pathophysiology of male infertility. * Presents the state-of-the-art research on topics such as stem cell research, transplantation and genomics* Includes contributions from leaders in the field, including several members of the National Academy of Science |
| anatomy of sperm cells: Endocrinology of the Testis and Male Reproduction Manuela Simoni, Ilpo T. Huhtaniemi, 2017-09-18 This book provides a comprehensive overview of endocrinology of the male reproductive system, explaining how it works and how, sometimes, it fails to work. World-class specialists present state of the art knowledge on all aspects, including anatomy, physiology, molecular biology, genetics, pathophysiology, clinical manifestations of testicular diseases, endocrine aspects of andrological and sexual diseases, and therapy. Extensive consideration is given to sexual development, testicular function, the clinical approach to disorders of male reproduction, male hypogonadism, sexual dysfunction, and male infertility. In addition, sociodemographic, psychological, and ethical aspects of male reproductive disorders are discussed. The book is intended as a major reference for endocrinologists, andrologists, and sexologists, as well as basic and clinical scientists. It is published as part of the SpringerReference program, which delivers access to living editions constantly updated through a dynamic peer-review publishing process. |
| anatomy of sperm cells: Advanced Health Assessment of Women, Second Edition Helen A. Carcio, MS, MEd, ANP-BC, R. Mimi Secor, DNP, FNP-BC, NCMP, FAANP, FAAN, 2010-01-25 This manual-style reference presents the clinical skills needed to assess health and provide care to women of all of ages, with systematic reviews of all aspects of female mental and bodily health. The authors and contributors comprehensively cover female reproduction, anatomy, and physiology as examined at the cellular level. Also discussed are developmental, psychological, and sociocultural dimensions of women. Offering an integrated approach to women's health care, the authors delineate the roles and functions of various health care providers serving female patients, including physician's assistants, nurse midwives, and nurse practitioners. The chapters present assessment strategies that are on the leading edge of the expanded role of the advanced practice clinician. The chapter authors provide full, in-depth discussions of each assessment skill and technique as well as an understanding of the rationale behind each assessment. Key Topics Discussed: Health assessment: physical examinations, assessment of pregnant women, and assessment and clinical evaluation of obesity in women Female Reproduction: anatomy, physiology, and the reproductive cycle Contraceptive devices: the diaphragm, intrauterine contraception, and contraceptive implants Assessment of women at risk: domestic violence, STIs, and sexual assault Assessment of the infertile woman: initial evaluations, donor insemination, and more |
| anatomy of sperm cells: Fertilization and Embryonic Development In Vitro Luigi Mastroianni, John D. Biggers, 2012-12-06 |
| anatomy of sperm cells: Cytoskeleton Jose C. Jimenez-Lopez, 2017-05-17 The cytoskeleton is a highly dynamic intracellular platform constituted by a three-dimensional network of proteins responsible for key cellular roles as structure and shape, cell growth and development, and offering to the cell with motility that being the ability of the entire cell to move and for material to be moved within the cell in a regulated fashion (vesicle trafficking). The present edition of Cytoskeleton provides new insights into the structure-functional features, dynamics, and cytoskeleton's relationship to diseases. The authors' contribution in this book will be of substantial importance to a wide audience such as clinicians, researches, educators, and students interested in getting updated knowledge about molecular basis of cytoskeleton, such as regulation of cell vital processes by actin-binding proteins as cell morphogenesis, motility, their implications in cell signaling, as well as strategies for clinical trial and alternative therapies based in multitargeting molecules to tackle diseases, that is, cancer. |
| anatomy of sperm cells: Disturbances in Male Fertility K. Bandhauer, G. Bartsch, J. Frick, D.M. de Kretser, A. Eshkol, M. Glezerman, J.B. Kerr, B. Lunenfeld, W. Pöldinger, H.P. Rohr, F. Scharfetter, P.D. Temple-Smith, 1982-01-01 Impending famine and a terrifying rate of consumption of natural resources are vital issues which have focussed public interest in the ecologic, social and political problems of ever increasing overpopulation in many countries of the world. As well as the vast material and intellectual expenditure lavished on family planning and birth control, the past decade has seen an immense research effort in the elaboration of improved methods of fertility control, both for men and for women. During the same period, however, research into the causes of male fertility disorders has proceeded with equal intensity, and a number of promising therapeutic approaches have become the subject of clinical trials. The wish of an individual or of a couple to have offspring is an absolute which requires no further justification, and there can be few challenges to a physician as essential as the spouses' predicament in a childless marriage. Only with a special knowledge of the function, pathology and pathophysiology of the reproductive system is he properly equipped to meet that challenge. |
| anatomy of sperm cells: Encyclopedia of Reproduction Michael K. Skinner, 2018 Encyclopedia of Reproduction, Second Edition comprehensively reviews biology and abnormalities, also covering the most common diseases in humans, such as prostate and breast cancer, as well as normal developmental biology, including embryogenesis, gestation, birth and puberty. |
Microscopic Anatomy MALE REPRODUCTIVE SYSTEM
Spermatozoa (sperm cells) are produced within the seminiferous tubules. Each tubule is 30-80 cm long, and though not continuous, together they comprise nearly 250 meters of sperm …
Histology - Male Reproductive System
Sertoli cells form an epithelium to support the development of sperm. The tight junctions between Sertoli cells generates two separate compartments. Leydig cells synthesize testosterone and …
2006 Male Anatomy and spermatogenisis - Medical …
Male Anatomy •Primary Organ – testes, genetically determined in mammals - testis releases hormones that then control the development of secondary sex characteristics 1) Secondary …
Sexual reproduction Male reproductive anatomy …
• Male and female gametes (sex cells) combine their genes to form a fertilized egg (zygote) –one gamete has motility (sperm or spermatozoon) •the parent producing sperm is considered the …
A Brief Description of Human Sperm and its Anatomy
Animal spermatozoa are generated by meiotic division within the male gonads (testicles) during spermatogenesis. It takes around 70 days for the first spermatozoon process to finish. The …
Chapter The Concept of Male Reproductive Anatomy
the sperm duct. In order to transfer sperm, there are two ducts which connect the left and right epididymis to the ejaculatory ducts. Each tube (in humans is about 30 centimeters long and …
ONPRC Module 2: Male Reproductive System And …
Identify male reproductive anatomical structures of different species (mice, humans, monkeys, sheep, horses, cats, dogs). Explain how sperm are produced and the changes made in the …
Male Reproductive System - University of Arizona
Processes from sertoli cells surround spermatids and spermatocytes and provide nutritional support for all stages of spermatogenesis. Sertoli cells have their base at the periphery of the …
Chapter 27 Lecture Outline - palmbeachstate.edu
Describe the anatomy of the scrotum, testes, and penis. Describe the pathway taken by a sperm cell from its formation to its ejaculation, naming all the passages it travels. State the names, …
Reproductive System: Male Anatomy and Physiology
Function: The testes are responsible for the production of sperm and testosterone. The sperm live only 3 to 5 days after release from the body to the point where the female egg cell is located. …
ANATOMY & PHYSIOLOGY GRADE 5 Lesson 6 - Teaching …
Hundreds of millions of sperm cells ejaculate out of the penis, however only around 1,000 make it as far as the fallopian tubes. The Semen containing sperm travel from the vagina, through the …
5b. Male Anatomy 10 - Medical University of South Carolina
Male Anatomy • Primary Organ – testes, genetically determined in mammals - testis releases hormones that then control the development of secondary sex characteristics - Secondary …
Chapter 27 - Reproductive System
Anatomy of the Male Reproductive System • Primary sex organs (gonads) – testes in males, ovaries in females • Gonads produce sex cells called gametes and secrete sex hormones • …
g y : Open d r o lo Ac n es Andrology-Open Access - Longdom
Animal spermatozoa are generated by meiotic division within the male gonads (testicles) during spermatogenesis. It takes around 70 days for the first spermatozoon process to finish. The …
Section Four: Chapter 22: The Male Reproductive System
The primary function of the male reproductive system is to produce sperm cells and sex hormones, and to transport semen, which contains millions of sperm cells, into the female …
Reproductive System: Male Anatomy and Physiology
TESTES: The testes are the male sex gland or gonad. Normally a man has two egg-shaped testes glands. The testes develop in the abdomen of the embryo at about the level of the …
PRE-LAB EXERCISES - Visible Body
Male reproductive anatomy consists of glands and ducts that deliver sperm to the female reproductive tract. Sperm are produced in the testes and travel through the reproductive …
The anatomy, movement, and functions of human sperm tail: …
Each subunit of tail, including axonemal, peri-axonemal structures, plays essential roles in sperm motility, capacitation, hyperactivation, fertilization. Furthermore, over 2300 genes are...
PHYSIOLOGY OF THE MALE REPRODUCTIVE SYSTEM
Germ cells begin as spermatogonia, which are the stem cells lining the basementlayer of the seminiferous tubule. They are small, rounded, mitotically active cells which are sensitive to …
Human Physiology/The male reproductive system - Saylor Ac…
In human reproduction, two kinds of sex cells or gametes are involved. Sperm, the male gamete, and an egg or ovum, the female gamete must meet in the female …
Microscopic Anatomy MALE REPRODUCTIVE SYSTEM - Duk…
Spermatozoa (sperm cells) are produced within the seminiferous tubules. Each tubule is 30-80 cm long, and though not continuous, together they comprise nearly 250 meters …
Histology - Male Reproductive System
Sertoli cells form an epithelium to support the development of sperm. The tight junctions between Sertoli cells generates two separate compartments. Leydig cells synthesize …
2006 Male Anatomy and spermatogenisis - Medical Univ…
Male Anatomy •Primary Organ – testes, genetically determined in mammals - testis releases hormones that then control the development of secondary sex …
Sexual reproduction Male reproductive anatomy Spermato…
• Male and female gametes (sex cells) combine their genes to form a fertilized egg (zygote) –one gamete has motility (sperm or spermatozoon) •the parent producing sperm …
