Reproductive System

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Reproductive System
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The Male Reproductive System

• Testes
• Ducts
• Glands

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External Genitalia
Testes, Scrotum, and Penis
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Testes
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Testes
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Scrotum
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Scrotum
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Scrotum
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Penis
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Penis
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Penis with prepuce
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Penis without prepuce
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Ducts

• Epididymis
• Vas Deferens
• Ejaculatory Duct
• Urethra

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Epididymis
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Epididymis
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Vas Deferens
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Ejaculatory Duct
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Urethra
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Glands

• Seminal Vesicles
• Prostate Gland
• Bulbourethral Glands (Cowpers Glands)

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Seminal Vesicles
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Prostate Gland
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Bulbourethral Glands (Cowpers Glands)

• Pea-sized glands inferior to the prostate gland
• Produce a mucus

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Seminal Fluid Mixture of secretions from the
seminal vesicles, prostate gland, and
bulbourethral glandsSemen Sperm and seminal
fluid secreted during ejaculation
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The Female Reproductive System
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The Female Reproductive System
Figure 24.11a
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Ovaries
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Ovaries
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Fallopian Tubes
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Fallopian Tubes
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Uterus
Figure 24.10
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Uterine Wall
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Vagina
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Vagina
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External Genitalia and Female Perineum
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Deep Structures of the External Genitaliaand
Female Perineum
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Male Reproductive Hormones

• Gonadotropin Releasing Hormone (GnRH)
• Follicle Stimulating Hormone (FSH)
• Luteinizing Hormone (LH)
• Testosterone
• Inhibin
• Progestins (such as progesterone)

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Male Reproductive Hormones
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Male Reproductive Hormones
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Female Reproductive Hormones

• Gonadotropin Releasing Hormone (GnRH)
• Follicle Stimulating Hormone (FSH)
• Luteinizing Hormone (LH)
• Estrogens
• Inhibin
• Progestins (such as progesterone)

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Female Reproductive Hormones
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The Ovarian Cycle

• Follicular Phase
• Luteal Phase

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Ovarian and Uterine Cycles
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The Ovarian Cycle
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The Uterine Cycle

• Series of cyclic phases of the endometrium
• Phases coordinate with the ovarian cycle
• Controlled by FSH and LH
• Phases of uterine cycle
• Menses days 1-7
• Proliferative phase days 8-14
• Secretory phase days 15-28

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The Uterine Cycle
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The Mammary Glands
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Events Leading to Fertilization