Male Reproductive System

Male Reproductive System - o acrosome- vesicle on the head...

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Male Reproductive System male reproductive system - sperm produced in seminiferous tubules Leydig cells - secretes testosterone to form penis/scrotum scrotum - maintains temperature of 34 C for sperm development spermatogonia (germ cells) - become sperm through meiosis o never runs out (undergoes mitosis before 1 goes through meiosis to become sperm) o about 100-200 million sperm created each day primary spermatocyte - diploid cell that begins meiosis, produces 4 spermatids each o secondary spermatocyte - homologous pairs are split o spermatids - chromatids are split Sertoli cells - nurse developing sperm, convert spermatids to spermatozoa by taking extra cytoplasm spermatozoa (sperm) - simple cell consisting of head, body, tail
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Unformatted text preview: o acrosome- vesicle on the head that has enzymes to help sperm penetrate egg male accessory organs- sperm cannot move immediately after theyre made epididymus- holds sperm for at least 18 hours while they develop ability to move vas deferens - tube passing into abdominal cavity o enters prostate gland at bladder base o prostrate gland - provides 30% of semen seminal vesicles - produces fructose fluid (60% of semens volume) urethra - carries sperm out through penis tip o bulbourethral glands - secrete fluid that lines the urethra for lubrication blood vessels in corpora cavernosa/corpus spongiosum dilate >> erection o ejaculation - semen ejecting from the penis o sperm only counts as 1% of semen...
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This note was uploaded on 01/04/2012 for the course BSC BSC1005 taught by Professor Orlando,rebecca during the Fall '10 term at Broward College.

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