Last edited by Yom
Saturday, July 11, 2020 | History

4 edition of Hormonal regulation of spermatogenesis found in the catalog.

Hormonal regulation of spermatogenesis

by Workshop on the Testis (2nd 1975 Chapel Hill, N.C.)

  • 224 Want to read
  • 5 Currently reading

Published by Plenum Press in New York, London .
Written in English

    Subjects:
  • Spermatogenesis in animals -- Congresses.,
  • Hormones, Sex -- Congresses.

  • Edition Notes

    Statementedited by Frank S. French ... (et al.).
    SeriesCurrent topics in molecular endocrinology -- vol.2
    ContributionsFrench, Frank S.
    Classifications
    LC ClassificationsQL966
    The Physical Object
    Paginationxi,526p. :
    Number of Pages526
    ID Numbers
    Open LibraryOL21247266M
    ISBN 10030634002X

    Spermatogenesis, the origin and development of the sperm cells within the male reproductive organs, the testes are composed of numerous thin, tightly coiled tubules known as the seminiferous tubules; the sperm cells are produced within the walls of the tubules. Within the walls of the tubules, also, are many randomly scattered cells, called Sertoli cells, that function to .   Spermatogenesis occurs in a wave-like fashion, sequestered by a blood-testis barrier from somatic cells, under precise hormonal regulation, resulting in the production of millions of spermatozoa per day. Spermatogenesis is associated with the onset of puberty and is continuous throughout the life of the male.

    Spermatogenesis involves the coordination of a number of signaling pathways, which culminate into production of sperm. Its failure results in male factor infertility, which can be due to hormonal, environmental, genetic or other unknown factors. This book .   Male Hormones. At the onset of puberty, the hypothalamus causes the release of FSH and LH into the male system for the first time. FSH enters the testes and stimulates the Sertoli cells to begin facilitating spermatogenesis using negative feedback, as illustrated in Figure \(\PageIndex{1}\). LH also enters the testes and stimulates the interstitial cells of Leydig to .

    Reproduction and its Hormonal Control Page 2 Hormonal Control of the Female Menstrual Cycle • Lasts approximately 28 days in Humans. • It is controlled by the interaction of several hormones. The action of one hormone is used to stimulate or inhibit the production of another. Hormones are chemical messengers, produced and secreted by organs,File Size: KB. ments in the field using genomic and proteomic approaches to study spermatogenesis, as well as different mechanisms and/or molecules including environmental toxicants and transcription factors that regulate and/or affect spermatogenesis. The book begins with a chapter that provides the basic concept of cellular regulation of Size: 4MB.


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Hormonal regulation of spermatogenesis by Workshop on the Testis (2nd 1975 Chapel Hill, N.C.) Download PDF EPUB FB2

Get this from a library. Hormonal regulation of spermatogenesis: [proceedings]. [Frank S French;] -- Hormonal regulation of spermatogenesis is reviewed.

The main topics are: 1. hormones and hormonal target cells in the testis, 2. Leydig cells (luteinizing hormone, estrogens, androgens, prolactin. The conference represented by this book was made possible by support from NICHD and a planning committee headed by Dr.

Richard Sherins. Two general areas of research are included: the first encompasses steroid hormone synthesis, metabolism and transport in the testis; and the second relates to hormonal regula­ tion of the seminiferous tubule with special emphasis on the. Localization of androgen target cells in the rat testis was studied by autoradiographic techniques.

Immature male rats were hypophysectomized at 35 days of age and 10 days later they were eviscerated and functionally hepatectomized. Tritiated testosterone was injected iv and the rats were sacrificed 1 or 3 hours later. The autoradiograms showed nuclear concentration of.

Hormonal Regulation of Spermatogenesis (Current Topics in Molecular Endocrinology): Medicine & Health Science Books @ Get this from a library. Hormonal Regulation of Spermatogenesis. [Frank S French; Vidar Hansson; E Martin Ritzen; Shihadeh N Nayfeh] -- The conference represented by this book was made possible by support from NICHD and a planning committee headed by Dr.

Richard Sherins. Two general areas of research are included: the first. Hormonal control of spermatogenesis varies among species. In humans, the mechanisms are not completely understood. However, it is known that initiation of spermatogenesis occurs at puberty due to the interaction of the hypothalamus, pituitary gland, and Leydig cells.

Hormonal regulation of spermatogenesis and spermiogenesis Article Literature Review in The Journal of Steroid Biochemistry and Molecular Biology ().

Hormonal control of spermatogenesis varies among species. The initiation of spermatogenesis occurs at the onset of puberty due to the interactions of the hypothalamus, pituitary gland, and Sertoli and Leydig cells. If the pituitary gland is removed, spermatogenesis can still be initiated by follicle-stimulating hormone (FSH) and testosterone.

hormonal regulation of spermatogenesis, with an emphasis on the role of testosterone within the testis, and to pose important questions for future research in this field.

Keywords: androgens, gonadotrophins, Sertoli, spermatogenesis Gonadotrophic regulation of spermatogenesis Spermatogenesis in mammals requires the actions of a. The role of the Sertoli cell in the regulation of germ cell life and death. Spermatogenesis is a cyclic process, which can be divided into 12 stages (I–XII) in stage VIII, As, Apr and a few Aal spermatogonia are by:   Regulation of the reproductive system is a process that requires the action of hormones from the pituitary gland, the adrenal cortex, and the gonads.

During puberty, in both males and females, the hypothalamus produces gonadotropin-releasing hormone (GnRH), which stimulates the production and release of follicle stimulating hormone (FSH) and.

HORMONES INVOLVED IN REGULATION OF SPERMATOGENESIS. Spermatogenesis is the process by which sperms are produce in the seminiferous tubules. Spermatogenesis stimulated by the release of the hormone FSH (Follicle Stimulating Hormone) that is. Testosterone regulation of essential spermatogenesis processes Testosterone is required for at least four critical processes during spermatogenesis: maintenance of the BTB, meiosis, Sertoli-spermatid adhesion and sperm release (indicated by the numbers 1, 2, 3, and 4 in Fig.

1).Cited by: Hormonal regulation of the male reproductive system: GnRH stimulates the production of FSH and LH, which act on the testes to begin spermatogenesis and to develop secondary sex characteristics in the male.

In turn, the testes production of testosterone and the hormone inhibin inhibit the release of GnRH, FSH, and LH in a negative feedback loop. In this book entitled, Molecular Mechanisms in Spermatogenesis, a collection of chapters has been included written by colleagues on the latest development in.

Start studying CH 28 - Hormonal Control of Spermatogenesis. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Mougdal NR () Use of highly purified antisera to FSH in studies on hormonal regulation of spermatogenesis.

Proceedings of the report on passive immunization of male monkey (Macaca radiata) chronically with characterized FSH anti-serum.

Reprod Fertil [Suppl] Cited by: 3. The hormonal control of spermatogenesis. The endocrine regulation of spermatogenesis has been the subject of many studies over the past four decades. Much of our knowledge of the hormonal regulation of spermatogenesis was elucidated in earlier studies involving the suppression and replacement of endocrine by: 2.

Hormonal control of spermatogenesis process for AIIMS JIPMER. - Duration: Oogenesis - hormonal regulation of the menstrual cycle (Part 2) - Duration: Flamingo Med 2, views. The regulation of spermatogenesis involves both endocrine and paracrine mechanisms.

The endocrine stimulation of spermatogenesis involves both follicle stimulating hormone (FSH) and luteinizing hormone, the latter acting through the intermediary testosterone, produced by the Leydig cells in the testis. Start studying Male Hormone Regulation. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Spermatogenesis 1. SPERMATOGENESIS • Moderator -: Dr. Raj Kapoor • Presented By-: Dr. Omprakash 2. • Physio-anatomy of male reproductive system • Introduction • Stages of spermatogenesis • Further development of sperm • Role of sertoli cells • Sperm structure & count • Semen composition • Hormonal control & other affecting factors • Role of .Hormonal Regulation of Oogenesis The process of oogenesis is hormonally regulated via the hypothalamic-pituitary-ovarian axis.

Hypothalamic gonadotropin-releasing hormone stimulates the secretion of the gonadotropins-- follicle-stimulating hormone and luteinizing hormone from the anterior pituitary gland. FSH stimulates the ovarian follicular cells to differentiate to 1) aid in .