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This Concept Map, created with IHMC CmapTools, has information related to: 31d. Epididymis, Epididymal duct properties Muscle coat -Helps move sperm, Epididymal duct consists of Body, Principal cells -Varying height -Stereocilia -Helps absorb testicular fluid -Phagocytize degenerate sperm secrete Glycoproteins, Principal cells -Varying height -Stereocilia -Helps absorb testicular fluid -Phagocytize degenerate sperm secrete Organic Acids -Keep pH low -Keep sperm stay non motile, Muscle coat -Helps move sperm note regional differences Head -Smooth muscle not innervated -Sperm immature -Incapable of unidirectional mvt -Produces DHT Enz: 5 Alpha Reductase, Glycoproteins added to Glycocalyx of sperm, Pseudostratified epithelium consisting of Principal cells -Varying height -Stereocilia -Helps absorb testicular fluid -Phagocytize degenerate sperm, EPIDIDYMIS part of Male reproductive system, Gross structure contains Epididymal duct, Principal cells -Varying height -Stereocilia -Helps absorb testicular fluid -Phagocytize degenerate sperm secrete Glycerophosphocholine -Inhibits sperm capacitation, Epididymal duct consists of Tail -More smooth muscle -Sympathetic control -Shorter Epithelium -Shorter Stereocilia, Epididymal duct store Sperm! -Up to 2 weeks, Principal cells -Varying height -Stereocilia -Helps absorb testicular fluid -Phagocytize degenerate sperm note regional differences Head -Smooth muscle not innervated -Sperm immature -Incapable of unidirectional mvt -Produces DHT Enz: 5 Alpha Reductase, Epididymal duct properties Pseudostratified epithelium, Principal cells -Varying height -Stereocilia -Helps absorb testicular fluid -Phagocytize degenerate sperm note regional differences Tail -More smooth muscle -Sympathetic control -Shorter Epithelium -Shorter Stereocilia, EPIDIDYMIS is actually Gross structure, Pseudostratified epithelium consisting of Basal Cells, Gross structure located Outside testes, EPIDIDYMIS continues into Vas Deferens, Epididymal duct consists of Head -Smooth muscle not innervated -Sperm immature -Incapable of unidirectional mvt -Produces DHT Enz: 5 Alpha Reductase