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Unformatted text preview: Handout Male Reproduction Anatomy: Testes made of seminiferous tubules that carry spermatozoa along to the epididymis Epididymis semen and maturing spermatozoa are stored, connects to the vas deferens Seminal vesicles secrete semen (fluid with fructose which powers flagellum) Prostate gland secrete alkaline fluid into the semen Penis contain erectile tissues Spermatogenesis: occurs in the Spermatogonia (diploid) mitosis at puberty undergo meiosis chromosome duplicated (tetraploid) first & second meiotic division (haploid) reshaping and form flagellum Pathway of sperm: Seminiferous tubule epidydimis vas deferens ejaculatory duct urethra penis Negative feedback: Hypothalamus Gonadotrophs (-) (-) Sertoli Cells Leydig Cells (interstitial cells) ABP Testosterone (95%) DHT Inhibin Estradiol ABP (androgen binding protein) binds testosterone Inhibin negative feedback on pituitary reduce FSH Testosterone + DHT (dihydrotestosterone)...
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