A_REP-MALEC - 1 Repr oductive System - Male Dr. S. C....

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Unformatted text preview: 1 Repr oductive System - Male Dr. S. C. Williams San Francisco State University Life Art 1994 2 I ntr oduction What is it? Organ system designed for the maintenance & storage of genetic information Essential organs called testes produce gametes called spermatozoa Accessory organs include ducts (vas deferens, ejaculatory ducts, urethra) and glands that support sperm function (seminal vesicles, prostate, Cowper's) Other distinctive structures include scrotum, penis & secondary sexual characteristics Latent development with continuous functioning throughout life Life Art 1994 3 Topics of Discussion Development of Urogenital systems Functions Primary organs (testes) Gametes (spermatozoa) Secondary (accessory) organs -- ducts, glands & penis Scrotum & spermatic cord Male pelvic anatomy & perineum 4 Development of Ur ogenital System Urogenital ridge Mesonephric duct Mullerian duct Cloaca Metanephros Gonad Urogenital sinus Separation of rectum Perforation to exterior Crouch 1985 5 Functions Packaging genetic information for next generation Production, storage & delivery of sperm Semen production I nsemination Production of hormone testosterone Maintenance of secondary sex characteristics Life Art 1994 6 Sper matozoa (Male Gametes) Regions: head, tail, acrosome Nucleic acid core, mitochondria, flagellum Spermatogenesis in seminiferous tubules of testis...
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This note was uploaded on 09/23/2011 for the course BIOL 328 taught by Professor Staff during the Spring '11 term at S.F. State.

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A_REP-MALEC - 1 Repr oductive System - Male Dr. S. C....

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