Lecture 21 Male Reproductive System-1

Lecture 21 Male Reproductive System-1 - Anatomy of the Male...

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Anatomy of the Male Reproductive System Angela Black, DVM, PhD Department of Animal and Avian Sciences University of Maryland, College Park
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  The male reproductive system of mammals consists of a. testes ( testicles ) in the scrotum b. accessory organs including ducts and glands c. penis The testes possess: Cytogenic function (produce spermatozoa/sperm ) Endocrine function ( testosterone - male sex hormone) The remaining structures assist the spermatozoa to reach its ultimate goal: fertilization of the ovum. Male Reproductive System
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Testis Body of the testis is wrapped in three layers of connective tissue: Parietal and Visceral vaginal tunics Tunica albuginea - tough, fibrous “capsule” that lies directly on the surface of the testis.
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Testis Seminiferous tubule Site of spermatogenesis (the formation of sperm) Mass of coiled tubules surrounded by the tunica albuginea
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Tissue layers of the testis
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System of ducts that transport sperm cells out and away from testes
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Testis Spermatic cord Suspends each individual testis within the scrotum
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Spermatic Cord Blood vessels, lymphatics, ductus deferens, cremaster m.
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Testis Rete testis network of tubules into which sperm are delivered from the seminiferous tubules Interstitial cells (Leydig cells) found in the connective tissue between seminiferous tubules;
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This note was uploaded on 12/30/2011 for the course ANSC ANSC211 taught by Professor Black during the Fall '11 term at Maryland.

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Lecture 21 Male Reproductive System-1 - Anatomy of the Male...

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