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PSL201 – Mar 11 – Endocrine 7 Overview of Reproduction and Male Reproduction.docx

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Department
Physiology
Course
PSL201Y1
Professor
Michelle French
Semester
Winter

Description
PSL201Mar 11 Endocrine 7 Overview of Reproduction and Male ReproductionThe Role of Gametes in Sexual Reproductioneach parent produces gametes which contain a copy of half their gentic materialspermatoazoamale gametesova female gametesHormonal Regulation of Reproductive Function in Malesgonadotrphins secreted by the anterior pituitary and act on the gonads o FSHLHFSH acts on sertoli cells to stimulate spermatogenesisLH stimulates the secretion of androgens by Leydig cellsTestosterone promotes development and growth of accessory reproductive organs during puberty o Less testosterone means smaller repo organs ndo Also causes 2 sex characteristics and promotes sex driveGnRH stimulates gonadotrphin releaseRegulated by negative feedback loopsSperm and Their Development3 segments hen fully developed o bulblike head o short cylindrical midpeice o lonf slender tail
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