Chapter 16 The Reproductive System Essentials of Human Anatomy & Physiology Seventh Edition Elaine N. Marieb Chapter 16 The Reproductive System Slides 16.21 – 16.37 Lecture Slides in PowerPoint by Jerry L. Cook Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Female Reproductive System Ovaries Duct System Uterine tubes (fallopian tubes) Uterus Vagina External genitalia Slide 16.21a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Female Reproductive System Figure 16.8a Slide 16.21b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Ovaries Composed of ovarian follicles (sac-like structures) Structure of an ovarian follicle Oocyte Follicular cells Figure 16.7 Slide 16.22 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Ovarian Follicle Stages Primary follicle – contains an immature oocyte Graafian (vesicular) follicle – growing follicle with a maturing oocyte Ovulation – when the egg is mature the follicle ruptures Occurs about every 28 days The ruptured follicle is transformed into a corpus luteum Slide 16.23 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Support for Ovaries Suspensory ligaments – secure ovary to lateral walls of the pelvis Ovarian ligaments – attach to uterus Broad ligament – a fold of the peritoneum, encloses suspensory ligament Slide 16.24a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Support for Ovaries Figure 16.8b Slide 16.24b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings