After you have studied this chapter, you should be able to:
State the general functions of the male and female reproductive
systems. (p. 831)
Outline the process of meiosis, and explain how it mixes up parental
genes. (p. 831)
22.2 Organs of the Male Reproductive System
Describe the function(s) of each part of the male reproductive system.
Outline the process of spermatogenesis. (p. 836)
Describe semen production and exit from the body. (p. 840)
Describe the structure of the penis, and explain how its parts produce
an erection. (p. 843)
22.3 Hormonal Control of Male Reproductive Functions
Explain how hormones control the activities of the male reproductive
organs and the development of male secondary sex characteristics.
22.4 Organs of the Female Reproductive System
Describe the function(s) of each part of the female reproductive sys-
tem. (p. 846)
Outline the process of oogenesis. (p. 849)
22.5 Hormonal Control of Female Reproductive Functions
Explain how hormones control the activities of the female reproduc-
tive organs and the development of female secondary sex character-
istics. (p. 857)
Describe the major events during a female reproductive cycle. (p. 857)
22.6 Mammary Glands
Review the structure of the mammary glands. (p. 861)
22.7 Birth Control
Describe several methods of birth control, including the relative ef-
fectiveness of each method. (p. 862)
22.8 Sexually Transmitted Infections
List the general symptoms of sexually transmitted infections. (p. 867)
ogens—male sex hormones.
a—diverging parts at the base of the penis
by which it attaches to the pelvic arch.
to shoot forth:
ation—expulsion of semen from the
male reproductive tract.
F m b
riae—irregular extensions on the margin of the
infundibulum of the uterine tube.
le—ovarian structure that contains an egg.
—formation of sperm cells.
to bud, to sprout:
inal epithelium-tissue that gives
rise to sex cells by special cell division.
to steer, to guide:
that guides the descent of a testis.
attened, longitudinal folds that extend
along the margins of the female vestibule.
ary gland—female accessory gland that
ammation of the mammary gland.
ow of blood from the female
pubis—rounded elevation of fatty
tissue overlying the symphysis pubis in a female.
genesis—formation of an egg.
ordial follicle—ovarian follicle composed of an
oocyte surrounded by a single layer of cells.
ty—time when a person becomes able to
a pellucida—transparent layer surrounding an
Sperm approach an egg,
the winners of a race
that several hundred
million sperm began
). Only one
sperm cell can fertilize