830
LEARN
PRACTICE
ASSESS
LEARNING OUTCOMES
After you have studied this chapter, you should be able to:
22.1 Introduction
1
State the general functions of the male and female reproductive
systems. (p. 831)
2
Outline the process of meiosis, and explain how it mixes up parental
genes. (p. 831)
22.2 Organs of the Male Reproductive System
3
Describe the function(s) of each part of the male reproductive system.
(p. 833)
4
Outline the process of spermatogenesis. (p. 836)
5
Describe semen production and exit from the body. (p. 840)
6
Describe the structure of the penis, and explain how its parts produce
an erection. (p. 843)
22.3 Hormonal Control of Male Reproductive Functions
7
Explain how hormones control the activities of the male reproductive
organs and the development of male secondary sex characteristics.
(p. 845)
22.4 Organs of the Female Reproductive System
8
Describe the function(s) of each part of the female reproductive sys-
tem. (p. 846)
9
Outline the process of oogenesis. (p. 849)
22.5 Hormonal Control of Female Reproductive Functions
10
Explain how hormones control the activities of the female reproduc-
tive organs and the development of female secondary sex character-
istics. (p. 857)
11
Describe the major events during a female reproductive cycle. (p. 857)
22.6 Mammary Glands
12
Review the structure of the mammary glands. (p. 861)
22.7 Birth Control
13
Describe several methods of birth control, including the relative ef-
fectiveness of each method. (p. 862)
22.8 Sexually Transmitted Infections
14
List the general symptoms of sexually transmitted infections. (p. 867)
UNDERSTANDING WORDS
andr-,
man:
andr
ogens—male sex hormones.
contra-,
against, counter:
contra
ception—prevention of
fertilization.
crur-,
lower part:
crur
a—diverging parts at the base of the penis
by which it attaches to the pelvic arch.
ejacul-,
to shoot forth:
ejacul
ation—expulsion of semen from the
male reproductive tract.
±
mb-,
fringe:
F m b
riae—irregular extensions on the margin of the
infundibulum of the uterine tube.
follic-,
small bag:
follic
le—ovarian structure that contains an egg.
-genesis,
origin: spermato
genesis
—formation of sperm cells.
germ-,
to bud, to sprout:
germ
inal epithelium-tissue that gives
rise to sex cells by special cell division.
gubern-,
to steer, to guide:
gubern
aculum—F
bromuscular cord
that guides the descent of a testis.
labi-,
lip:
labi
a minora—±
attened, longitudinal folds that extend
along the margins of the female vestibule.
mamm-,
breast:
mamm
ary gland—female accessory gland that
secretes milk.
mast-,
breast:
mast
itis—in±
ammation of the mammary gland.
mens-,
month:
mens
es—monthly ±
ow of blood from the female
reproductive tract.
mons-,
an eminence:
mons
pubis—rounded elevation of fatty
tissue overlying the symphysis pubis in a female.
oo-,
egg:
oo
genesis—formation of an egg.
prim-,
F
rst:
prim
ordial follicle—ovarian follicle composed of an
oocyte surrounded by a single layer of cells.
puber-,
adult:
puber
ty—time when a person becomes able to
reproduce.
zon-,
belt:
zon
a pellucida—transparent layer surrounding an
oocyte.
Sperm approach an egg,
the winners of a race
that several hundred
million sperm began
(1,500
×
). Only one
sperm cell can fertilize
the egg.
LEARNING OUTCOMES
Sper
the
that
mill
(1,5
sper
the
Reproductive
Systems
UNIT VI
CHAPTER
22
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