Reproductive%20physiology%20ansc%201020

Reproductive%20physiology%20ansc%201020 - Click to edit...

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Unformatted text preview: Click to edit Master subtitle style 2/10/11 Reproductive physiology ANSC 10200 Purdue University September 16, 2010 2/10/11 Male or Female??? • Sex Determination Genetic or Environmental – Most mammals: genetic, XX and XY chromosomes, presence of a gene called SRY – Birds: genetic, ZZ and ZW chromosomes, SRY NOT involved – Other animals: environmental, e.g., some reptiles, temperature of egg incubation • Sex Differentiation – Action of hormones that direct “tract” development 2/10/11 Ovar y Testi s Figure 4-15, Pathways to Pregnancy and Parturition, 2nd 2/10/11 Figure 3-5, Pathways to Pregnancy and Parturition, 2nd Male anatomy • Testes – Testosterone & spe • Excurrent duct system – Transport, maturat storage • Scrotum – Thermoregulation • Spermatic cord – Thermoregulation • Accessory glands – Seminal plasma • Penis – Corpus cavernosum 2/10/11 Male anatomy • Testes – Testosterone and sperm Figure 3-15, Pathways to Pregnancy and Parturition, 2nd Edition 2/10/11 Male anatomy • Testes – Testosterone and sperm • Excurrent duct system – Transport, maturation, storage 2/10/11...
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This note was uploaded on 02/07/2011 for the course ANSC 102 taught by Professor Staff during the Fall '08 term at Purdue.

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