Chapter 47

Chapter 47 - Chapter 47 Anatomy of the Reproductive System...

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Unformatted text preview: Chapter 47 Anatomy of the Reproductive System 1 Male reproductive system - macroscopy Gonads l Testis Exocrine sperm production Endocrine testosterone production Localized in the scrotum 2 Male reproductive system Duct system Epididymis l Posterior to the testis l First site of sperm maturation Ducts deferens or vas deferens l Extends from the epididymis to the ejaculatory duct l Ampulla final enlargement of the duct deferens 3 Male reproductive system Spermatic cord l Ducts deferens, blood vessels and nerves enclosed in connective tissue Ejaculatory duct l Starts at the junction of the ampulla with the duct of the seminal vesicle 4 Ducts system 5 Male reproductive system Urethra l Prostatic l Membranous l Spongy or penile 6 7 Male reproductive system Accessory glands Prostate l Round muscular organ l Encircles the urethra l Inferior to the bladder l Secretes prostatic fluid with seminalplasmin (antibiotic function) l Prostatic fluid is acidic and activates the sperm 8 Male reproductive system Seminal vesicles l Lies posterior to the bladder l Produce seminal fluid l Seminal fluid is rich in fructose that nourishes the sperm l It also promotes the fertility of the sperm l Ends in a duct that empties into the ejaculatory duct 9 Male reproductive system Bulbourethral glands (Cowpers glands) l Located at the basis of the penis l Small and round in shape l Ends in a duct that opens in the urethra l Produces an alkaline secretion that washes the residual urine out of the urethra 10 Male reproductive system...
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This note was uploaded on 01/06/2012 for the course BIOL 2402 taught by Professor Elainefanin during the Fall '11 term at Collins.

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Chapter 47 - Chapter 47 Anatomy of the Reproductive System...

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