anatomy Ch28h - Human Anatomy McKinley & O'Loughlin...

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Unformatted text preview: Human Anatomy McKinley & O'Loughlin Chapter 28: Reproductive System The Reproductive System Comparison of the Female and Male Reproductive Systems • The gonads • ovaries • testes • Produce gametes • oocytes • sperm • Sex hormones • estrogen and progesterone • androgens • Accessory reproductive organs • duct systems • Fertilization Comparison of the Female and Male Reproductive Systems • Primarily nonfunctional and "dormant" until puberty • At puberty, external sex characteristics become more prominent • Female typically produces and releases a single oocyte monthly • Male produces hundreds of millions of sperm daily Perineum • Diamond-shaped area between the thighs • Anterior triangle (urogenital triangle) • Posterior triangle (anal triangle) Anatomy of the Female Reproductive System • Peritoneum folds around the various pelvic organs and creates two pouches: • anterior vesicouterine pouch • posterior rectouterine pouch Ovaries • Anchored within the pelvic cavity by cords and sheets of connective tissue • Mesovarium • Broad ligament • Ovarian ligament • Suspensory ligament • The hilum • The germinal epithelium • The tunica albuginea • The internal structure • cortex • medulla Ovarian Follicles • Consist of a type of oocyte surrounded by follicle cells (granulosa cells) • Several different kinds of ovarian follicles, each representing a different stage of development • Primordial follicle • Primary follicle • Secondary follicle The antrum The zona pellucida and the corona radiate • Vesicular follicle (mature or Graafian follicle) Contains the secondary oocyte • Oogenesis Before Birth • The process of oogenesis occurs in a female fetus before birth...
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This note was uploaded on 05/11/2011 for the course BIOL 20 taught by Professor Staff,m during the Spring '08 term at Fresno City College.

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anatomy Ch28h - Human Anatomy McKinley & O'Loughlin...

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