27
The Reproductive System
Anatomy of the Male Reproductive
System
(pp. 1019–1026)
The Scrotum (pp. 1019–1020)
The Testes (pp. 1020–1022)
The Male Perineum (p. 1022)
The Penis (pp. 1022–1023)
The Male Duct System (p. 1024)
The Male Accessory Glands (pp. 1024–1026)
Semen (p. 1026)
Physiology of the Male Reproductive
System
(pp. 1026–1035)
Male Sexual Response (pp. 1026–1027)
Spermatogenesis (pp. 1027–1033)
Hormonal Regulation of Male Reproductive
Function (pp. 1033–1035)
Anatomy of the Female Reproductive
System
(pp. 1035–1043)
The Ovaries (pp. 1035–1036)
The Female Duct System (pp. 1037–1041)
The External Genitalia (p. 1041)
The Female Perineum (p. 1041)
The Mammary Glands (pp. 1041–1043)
Physiology of the Female Reproductive
System
(pp. 1043–1053)
Oogenesis (pp. 1043–1045)
The Ovarian Cycle (pp. 1045–1047)
Hormonal Regulation of the Ovarian
Cycle (pp. 1047–1049)
The Uterine (Menstrual) Cycle
(pp. 1049–1051)
Effects of Estrogens and Progesterone
(p. 1051)
Female Sexual Response (pp. 1051–1053)
Sexually Transmitted Infections
(pp. 1053–1054)
Gonorrhea (p. 1053)
Syphilis (p. 1053)
Chlamydia (pp. 1053–1054)
Trichomoniasis (p. 1054)
Genital Warts (p. 1054)
Genital Herpes (p. 1054)
Developmental Aspects of the
Reproductive System
(pp. 1054–1058)
Embryological and Fetal Events
(pp. 1054–1057)
Puberty (pp. 1057–1058)
Menopause (p. 1058)
1018
M
ost organ systems function almost continuously
to maintain the well-
being of the individual. Te
reproductive system
, however, appears to “slum-
ber” until puberty. Te
primary sex organs
, or
gonads
(go
9
nadz; “seeds”), are
the testes in males and the ovaries in females. Te gonads produce sex cells, or
gametes
(gam
9
ēts; “spouses”), and secrete a variety of steroid hormones commonly called
sex
hormones
. Te remaining reproductive structures—ducts, glands, and external genita-
lia (jen-ĭ-ta
9
le-ah)—are the
accessory reproductive organs
. Although male and female
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