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6.6 Male Repro
Question | Answer |
---|---|
State the function of the Penis | penetrates vagina to deposit semen |
State the function of the Urethra | transfers semen during ejaculation and urine during urination |
State the function of the Sperm Duct | transfers sperm from testes to urethra |
State the function of the epididymis | stores sperm until ejaculation |
State the function of the Testes | produce sperm and testosterone |
State the function of the Seminal Vesicle | produces a sugar-rich fluid (fructose) for semen that provides sperm with energy |
State the function of the Prostate Gland | produces an alkaline, protein-rich fluid for semen |
State the function of interstitial cells (Leydig cells) | produce testosterone |
State the function of germline epithelium cells in testes | divides by mitosis to make spermatocytes |
State the function of Sertoli cells | nourish sperm |
State the source of LH and FSH in the body | pituitary gland |
State the source of Testosterone in the body | testes |
Describe the role of LH and FSH in spermatogenesis | LH: causes production of testosterone from Leydig cells, FSH: stimulates Sertoli cells to nourish growing sperm |
Describe the role of testosterone in spermatogenesis | triggers second division and final maturation |
Describe gametogenesis | creation of gametes |
Describe spermatogenesis | production of sperm in epididymsis |
Outline the process of spermatogenesis | -mitosis of germiline epithelium creates spermatocytes -meiosis of spermatocytes (1: FSH, 2:testosterone) -final maturation triggered by testosterone |