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Integumentary system
1. Integumentary
System:
How Your Body Reacts to Forces
of Internal and External Heat
Vanessa Ross Mosier
Bio 120
2. Overview: The Skin
Epidermis: the thin, outer
membrane layer.
Dermis: the middle, fibrous
connective tissue layer.
Subcutaneous Layer: the
innermost layer, containing
fatty tissue (also known as
Subcu or subq)
3. Word Building
Combining Form:
cutane/o
Combined With:
sub- -ous
Medical Term:
subcutaneous
Definition: pertaining
to under the skin
4. Sweat/Perspi The body contains
about 2 million
ration glands, called
Sweat glands assist Sudoriferous glands.
the body in Sweat travels to the
maintaining its surface of the skin in
internal temperature a sweat duct.
by creating a cooling The surface
effect as sweat opening of a sweat
evaporates. duct is called a
sweat pore.
5. Sweat con’t.
Sweat contains a small
amount of waste product
but is normally colorless and
odorless.
However, there are sweat
glands called Apocrine
Glands in the pubic and
underarms that secrete a
thicker sweat, which can
produce an odor when it
comes into contact with
bacteria on the skin.
7. Burn
Definition: Seriousness depends on the
amount of body surface
involved and the depth of the
Damage to the skin
burn.
that can result from exposure
to open fire, electricity,
ultraviolet light from the sun,
or caustic chemicals.
8. Rule of Nines
A method for determining percentage of
body burned. All sections added together
will equal 100%.