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1
Male
Female
2
Anatomy of the Male Reproductive System
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Scrotum
pouch of skin that hangs at root of penis and contains the testes
Protective sac provides temperature about 3C below
body temperature for proper sperm production
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Testes
Glands that produce sperm Secrete testosterone
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Epididymis
Stores sperm temporarily Takes about 20 days for sperm to
mature
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Vas Deferens
Muscle contractions propel live sperm to urethra
Transportation system cut during a vasectomy for birth control
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Urethra
conveys urine & semen to tip of penis
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Seminal Vesicles
Secretes fluid to form semen produces 60% of fluid in semen yellowish thick fluid
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Prostate Gland
Secretes fluid to form semen 33% of semen volume Site for prostate cancer
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Cowper’s Glands
Secretes fluid to form semen produce thick, clear mucus released prior to ejaculation
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Bladder
Urine storage
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Penis
External reproductive organ Erectile tissue becomes engorged with
blood during an erection. Blood flow is cut off trapping blood
causing penis to stiffen and become elongated.
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Semen mixture of sperm & secretions transport medium, nutrients, &
chemicals that protect & facilitate movement of sperm
2-6 ml released each ejaculation 50-100 million sperm in each ml
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Anatomy of the Female Reproductive System
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Ovaries
Houses eggs(ova). each month an adult woman will release
one mature egg called ovulation. Only 400-500 eggs of potential 700,000
are released during a lifetime. Produces female sex hormones.
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Fallopian Tubes
provide site where fertilization can occur little or no contact with ovary Transfers egg(ovum) Tubal ligation
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Uterus
Muscular pear shaped organ hollow, thick-walled organ that functions
to receive, retain, & nourish a fertilized egg and developing baby
Thickens if fertilized(zygote). Breaks down and sheds if not
fertilized(menstruation).
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Vagina
birth canal receives penis & semen during
intercourse
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External Genitalia labia majora: two elongated, hair-
covered fatty skin folds labia minora: two thin hair-free folds
covered with mucosa & sebaceous glands
Both are used for protection
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Bladder
Urine storage
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Cervix
Neck of the uterus and vagina Dialation
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Urethra
Urine exits
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Endometrium
Inner lining of the uterus Excessive shedding of the uterus is a
disease called endometriosis
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Eggs(ova)
Mature ovum Maturing ovum
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