The Reproductive System

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1 C h a p t e r 27 The Reproductive System PowerPoint Lecture Slides prepared by Jason LaPres North Harris College Houston, Texas Copyright 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

2 Introduction The human reproductive system produces, stores, nourishes, and transports functional male and female gametes. Sperm from male Ovum from female Fertilization produces a zygote. The reproductive system also produces sex hormones that affect the structure and function of all other systems.

3 Organization of the Reproductive System Reproductive organs, or gonads Produce gametes and hormones Reproductive tracts Receive, store, and transport the gametes Accessory glands and organs Secrete fluids into the ducts of the reproductive system or into other excretory ducts Perineal structures called external genitalia

4 Anatomy of the Male Reproductive System Primary organ Testes Accessory ducts Epididymus Ductus deferens Ejactulatory duct Accessory glands Seminal glands Prostate gland Bulbo-urethral glands External genitalia Scrotum Penis

5 Anatomy of the Male Reproductive System Figure 27.1 The Male Reproductive System, Part I

6 Anatomy of the Male Reproductive System Figure 27.2 The Descent of the Testes

7 Anatomy of the Male Reproductive System Figure 27.3 The Male Reproductive System, Part II

8 Anatomy of the Male Reproductive System Figure 27.4 Structure of the Testes

9 Anatomy of the Male Reproductive System Figure 27.5a Histology of the Seminiferous Tubules

10 Anatomy of the Male Reproductive System Figure 27.5b Histology of the Seminiferous Tubules

11 Anatomy of the Male Reproductive System Figure 27.5c Histology of the Seminiferous Tubules

12 Anatomy of the Male Reproductive System Figure 27.5d Histology of the Seminiferous Tubules

13 Anatomy of the Male Reproductive System Figure 27.6a Spermiogenesis Histology

14 Anatomy of the Male Reproductive System Figure 27.6b Spermatozoon Histology

15 Anatomy of the Male Reproductive System Figure 27.7a Testis and Epididymis

16 Anatomy of the Male Reproductive System Figure 27.7b Epididymis

17 Anatomy of the Male Reproductive System Figure 27.7c Epididymis

18 Anatomy of the Male Reproductive System Figure 27.8 The Ductus Deferens and Accessory Glands

19 Anatomy of the Male Reproductive System Figure 27.9a The Penis: (a) Frontal Section

20 Anatomy of the Male Reproductive System Figure 27.9b The Penis: (b) Cross Sections

21 Anatomy of the Male Reproductive System Figure 27.9c The Penis: (c) Oblique Lateral View

22 Anatomy of the Male Reproductive System Figure 27.9d The Penis: (d) Cross Section through Dissected Penis

23 Anatomy of the Female Reproductive System Primary organ Ovaries Accessory ducts and organs Uterine tubes Uterus Cervix Vagina External genitalia Vulva Vestible Clitoris Mammary glands

24 Anatomy of the Female Reproductive System Figure The Female Reproductive System

25 Anatomy of the Female Reproductive System Figure The Female Reproductive System

26 Anatomy of the Female Reproductive System Figure 27.11a, b The Ovaries, Uterine Tubes, and Uterus: (a) Posterior View; (b) Ovary and Mesenteries, Sectional Vew

27 Anatomy of the Female Reproductive System Figure 27.11c The Ovaries, Uterine Tubes, and Uterus: (c) Superior View

28 Anatomy of the Female Reproductive System Figure Histological Summary of the Ovarian Cycle

29 Anatomy of the Female Reproductive System Figure Histological Summary of the Ovarian Cycle

30 Anatomy of the Female Reproductive System Figure Histological Summary of the Ovarian Cycle

31 Anatomy of the Female Reproductive System Figure Meiosis and Ovum Production

32 Anatomy of the Female Reproductive System Figure The Uterine Tubes

33 Anatomy of the Female Reproductive System Figure 27.15a The Uterus

34 Anatomy of the Female Reproductive System Figure 27.15b The Uterus

35 Anatomy of the Female Reproductive System Figure The Uterine Wall

36 Anatomy of the Female Reproductive System Figure Histological Changes in the Uterine Cycle

37 Anatomy of the Female Reproductive System Figure The Hormonal Regulation of Female Reproductive Function

38 Anatomy of the Female Reproductive System Figure Histology of the Vaginal Wall

39 Anatomy of the Female Reproductive System Figure The Female External Genitalia

40 Anatomy of the Female Reproductive System Figure 27.21a The Mammary Glands

41 Anatomy of the Female Reproductive System Figure 27.21b The Mammary Glands

42 Anatomy of the Female Reproductive System Figure 27.21c, d The Mammary Glands

43 Anatomy of the Female Reproductive System Figure Uterovaginal Prolapse

44 Aging and the Reproductive System Menopause The time when ovulation and menstruation cease Typically occurs in females at age Decline in estrogen and progesterone levels and rise in GnRH, PSH, and LH levels Male climacteric Decline in testosterone levels and rise in FSH and LH levels Typically occurs in males between ages 50 and 60 Sperm production continues, but there is gradual reduction in sexual activity

Lecture 28, The Reproductive System

Fundamentals of Anatomy & Physiology Lecture 28, The Reproductive System SIXTH EDITION Frederic H. Martini Lecturer: Dr. Barjis Room: P313 Phone: (718) 260-5285 E-Mail: ibarjis@citytech.cuny.edu Copyright