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The major hormones in the male reproductive system are:
1. Gonadotropin Releasing Hormone (GnRH) is mainly made in the hypothalamus from where it travels to the pituitary gland where it stimulates the synthesis and secretion of the gonadotropins which are follicle-stimulating hormone and luteinizing hormone.
2. Follicle Stimulating Hormone (FSH) is released by the anterior pituitary gland. It is necessary for the maturation of spermatozoa.
3. Luteinizing Hormone (LH) is released by the anterior pituitary gland. In the testes, LH
stimulates the synthesis and secretion of testosterone. It also stimulates the testes to produce the hormone androgen.
4. Testosterone is made in the interstitial cells. It stimulates the sex drive.
5. Inhibin is made by the Sertoli cells when they are low in nutrients in order to feed developing sperm cells. It acts as a negative feedback, going to the brain to slow the release of FSH and GnRH.
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∙ 8y ago
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∙ 11y agoGonadtrophin Releasing Hormone is released by hypothalamus. Has effect on Anterior Pituitary Gland causing it to begin releasing Leutinising hormone and Follicle Stimulating Hormone.
Leutinsing Hormone acts on the Leydig cells in the testes and they begin secreting Testosterone the main male sex hormone. Testosterone and FSH both affect Sertoli Cells in the Testes and the production of sperm is initiated.
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∙ 12y agoIn humans, spermatogenesis is triggered by Follicle Stimulating Hormone (FSH) and Testosterone
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∙ 7y agoThat is the hormone, Testosterone.It is secreted by testis.
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∙ 9y agoTestosterone is the hormone which regulates spermatogenesis.It is produced by testis.
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∙ 10y agoFollicle Stimulating Hormone (FSH)
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∙ 11y agotestosterone
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Which hormone stimulate spermatogenesis?
Testosterone, produced by the testes, stimulates spermatogenesis.
What hormone suppresses spermatogenesis with out affecting testosterone secretion?
balls
What is the chemical messenger that is produced in one part of an organism and triggers a reaction in another part of the organism?
Hormone
What is the hormone produced by the pituitary gland for the testes?
The Pituitary produces: 1. Leutenizing Hormone. 2. Follicle Stimulating Hormone. In both males and Females. However, their acitions are different in the sexes. In males: Leutenizing hormone in males stimulates testes to secrete Testosterone. Follicle stimulating Hormone brings about Spermatogenesis.
What triggers the release of secretin from the small intestine?
Secretin is a hormone released by the small intestine. Like insulin, the presence of food in the stomach triggers it to release secretin which in turn triggers the pancreas and liver to release bile and pancreatic juice for food breakdown and absorption.
What is the anterior pituitary hormone needed for spermatogenesis?
In men, follicle stimulating hormone starts spermatogenesis. This hormone is also abbreviated FSH.
What does the LH hormone do?
LH(Leutenizing Hormone) hormone induces the process of spermatogenesis.
The hormone that stimulated testone secretion and the hormone that stimulates spermmatiogenesis?
Spermatogenesis is stimulated dy FSH.Other hormone is LH
Which hormone stimulate spermatogenesis?
Testosterone, produced by the testes, stimulates spermatogenesis.
What hormone suppresses spermatogenesis with out affecting testosterone secretion?
balls
Which hormone suppresses spermatogenesis without affecting testosterone secretion?
Inhibin
What triggers menses?
the hormone FSH ( Follice Stimulating Hormone) triggers the menses (period) in a healthy female. During the menses, the uterine lining is being shed.
What is target organ of growth hormone releasing hormone?
It acts on inferior pitutory.It triggers secretion of growth hormone.
Which hypothalamic hormone triggers the secretion of FSH?
GnRH
What triggers the menstrual cycle?
luteinizing hormone
What hormone keeps the concentration of testosterone in the vicinity of the spermatogenic cells high to stimulate spermatogenesis?
Androgen-binding protein (ABP)
What is true regarding the hormone cascade that triggers puberty?
starts at age 11
