c h a p t e r 27 the reproductive system powerpoint ® lecture slides prepared by jason lapres north...
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C h a p t e r
27
The Reproductive
System
PowerPoint® Lecture Slides prepared by Jason LaPres
North Harris CollegeHouston, Texas
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings
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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.
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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 ductsPerineal structures called external genitalia
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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
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Anatomy of the Male Reproductive System
Figure 27.1 The Male Reproductive System, Part I
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Anatomy of the Male Reproductive System
Figure 27.2 The Descent of the Testes
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Anatomy of the Male Reproductive System
Figure 27.3 The Male Reproductive System, Part II
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Anatomy of the Male Reproductive System
Figure 27.4 Structure of the Testes
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Anatomy of the Male Reproductive System
Figure 27.5a Histology of the Seminiferous Tubules
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Anatomy of the Male Reproductive System
Figure 27.5b Histology of the Seminiferous Tubules
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Anatomy of the Male Reproductive System
Figure 27.5c Histology of the Seminiferous Tubules
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Anatomy of the Male Reproductive System
Figure 27.5d Histology of the Seminiferous Tubules
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Anatomy of the Male Reproductive System
Figure 27.6a Spermiogenesis HistologyCopyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
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Anatomy of the Male Reproductive System
Figure 27.6b Spermatozoon Histology
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Anatomy of the Male Reproductive System
Figure 27.7a Testis and EpididymisCopyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
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Anatomy of the Male Reproductive System
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Figure 27.7b Epididymis
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Anatomy of the Male Reproductive System
Figure 27.7c EpididymisCopyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings
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Anatomy of the Male Reproductive System
Figure 27.8 The Ductus Deferens and Accessory Glands
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Anatomy of the Male Reproductive System
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Figure 27.9a The Penis: (a) Frontal Section
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Anatomy of the Male Reproductive System
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Figure 27.9b The Penis: (b) Cross Sections
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Anatomy of the Male Reproductive System
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Figure 27.9c The Penis: (c) Oblique Lateral View
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Anatomy of the Male Reproductive System
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Figure 27.9d The Penis: (d) Cross Section through Dissected Penis
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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
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Anatomy of the Female Reproductive System
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Figure 27.10 The Female Reproductive System
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Anatomy of the Female Reproductive System
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Figure 27.10 The Female Reproductive System
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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
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Anatomy of the Female Reproductive System
Figure 27.11c The Ovaries, Uterine Tubes, and Uterus: (c) Superior View
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Anatomy of the Female Reproductive System
Figure 27.12 Histological Summary of the Ovarian Cycle
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Anatomy of the Female Reproductive System
Figure 27.12 Histological Summary of the Ovarian Cycle
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Anatomy of the Female Reproductive System
Figure 27.12 Histological Summary of the Ovarian Cycle
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Anatomy of the Female Reproductive System
Figure 27.13 Meiosis and Ovum Production
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Anatomy of the Female Reproductive System
Figure 27.14 The Uterine Tubes
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Anatomy of the Female Reproductive System
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Figure 27.15a The Uterus
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Anatomy of the Female Reproductive System
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Figure 27.15b The Uterus
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Anatomy of the Female Reproductive System
Figure 27.16 The Uterine Wall
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Anatomy of the Female Reproductive System
Figure 27.17 Histological Changes in the Uterine Cycle
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Anatomy of the Female Reproductive System
Figure 27.18 The Hormonal Regulation of Female Reproductive Function
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Anatomy of the Female Reproductive System
Figure 27.19 Histology of the Vaginal Wall
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Anatomy of the Female Reproductive System
Figure 27.20 The Female External Genitalia
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Anatomy of the Female Reproductive System
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Figure 27.21a The Mammary Glands
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Anatomy of the Female Reproductive System
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Figure 27.21b The Mammary Glands
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Anatomy of the Female Reproductive System
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Figure 27.21c, d The Mammary Glands
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Anatomy of the Female Reproductive System
Figure 27.22 Uterovaginal Prolapse
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Aging and the Reproductive System
Menopause The time when ovulation and menstruation cease Typically occurs in females at age 45–55 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
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