PHS 3341 Chapter Notes - Chapter 17.2: Melatonin, Pineal Gland, Phagocytosis
Document Summary
Phs3341 male reproductive physiology spermatogenesis needs to occur in a cooler environment. Testes functions: produce sperm & secrete testosterone can slip through. Descent of testes is complete by 7th month of gestation. Leydig (interstitial) cells are endocrine cells that produce testosterone, found in the connective tissue between seminiferous tubules, controlled by the. Scrotum is several degrees less than normal body temperature because. Testes pass from abdominal cavity through inguinal canal into scrotum. Inguinal hernia when the testes does not fully close and abdominal viscera. Cryptorchisism when the testis remain undescended into adulthood. Seminiferous tubules site of spermatogenesis and meiosis pituitary gland"s secretion of l( (cid:523)lutenizing hormone(cid:524) Testosterone steroid hormone, derived from cholesterol. Estrogen & progesterone steroid, derived from cholesterol: on the reproductive system before birth reproductive tract, external, on sex-specific tissues after birth puberty (10-14age and lasts 3-5. Castration removal of testes: other reproduction-related effects controls sex libido, controls, on secondary sexual characteristics hair growth, deep voice, thick.
