170
LEARN
PRACTICE
ASSESS
Falsely colored scanning
electron micrograph of
skin from the palm with
sweat pores resembling
mini craters (70
×
).
Integumentary
System
UNIT TWO
CHAPTER
6
UNDERSTANDING WORDS
alb-,
white:
alb
inism—condition characterized by a lack of
pigment in skin, hair, and eyes.
cut-,
skin: sub
cut
aneous—beneath the skin.
derm-,
skin:
derm
is—inner layer of the skin.
epi-,
upon, after, in addition:
epi
dermis—outer layer of the skin.
follic-,
small bag: hair
follic
le—tubelike depression in which a hair
develops.
hol-,
entire, whole:
hol
ocrine gland—gland that discharges the
entire cell containing the secretion.
kerat-,
horn:
kerat
in—protein produced as epidermal cells die
and harden.
melan-,
black:
melan
in—dark pigment produced by certain cells.
por-,
passage, channel:
por
e—opening by which a sweat gland
communicates to the skin’s surface.
seb-,
grease:
seb
aceous gland—gland that secretes an oily
substance.
LEARNING OUTCOMES
After you have studied this chapter, you should be able to:
6.1 Introduction
1
DeF
ne organ, and name the large organ of the integumentary system.
(p. 171)
6.2 Skin and Its Tissues
2
List the general functions of the skin. (p. 171)
3
Describe the structure of the layers of the skin. (p. 173)
4
Summarize the factors that determine skin color. (p. 174)
6.3 Accessory Structures of the Skin
5
Describe the accessory structures associated with the skin. (p. 177)
6
Explain the functions of each accessory structure of the skin. (p. 177)
6.4 Regulation of Body Temperature
7
Explain how the skin helps regulate body temperature. (p. 182)
6.5 Healing of Wounds and Burns
8
Describe wound healing. (p. 183)
9
Distinguish among the types of burns, including a description of heal-
ing with each type. (p. 184)
6.6 Life-Span Changes
10
Summarize life-span changes in the integumentary system. (p. 186)
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