ch 3 Flashcards
Integumentary system function
two-way barrier, temp regulation, houses sensory receptors, secretes important fluids
Integ. system structures
hair, skin, nails, sebaceous glands, sweat glands
cauter/o
to burn
diaphor/o
profuse sweating
erythr/o
red
hidr/o
sweat
ichthy/o
scaly. dry
kerat/o
hard/horny
myc/o
fungus
onych/o
nail
pedicul/o
lice
rhytid/o
wrinkle
sarc/o
flesh
seb/o
oil
trich/o
hair
ungu/o
nail
vesic/o
sac/bladder
xer/o
dry
allo-
other, diff from usual
xeno-
foreign
_____ is a protective barrier, houses receptors, secretes sweat and sebum, and aids in temp regulation
skin
_____ provides some protection; associated with sensory receptors
hair
Subcutaneous skin layer is made up of
continuous layer of fat that acts as insulation
Subcutaneous skin layer is also known as
hypodermis
Epidermis layer is composed of
stratified squamous epithelium
___ layer does not have any blood supply or connective tissue
epidermis
Deepest layer of the epidermis is known as ____ layer
basal layer
keratin
hard protein
basal layer contain special cells called
melanocytes, which produce melanin
Corium is another name for what skin layer
dermis layer
Dermis layer
thicker than epidermis with a blood supply, composed of connective tissue and collagen fibers
the dermis layer houses ____ follicles, ____ and ____ glands, blood vessels, ____ vessels, sensory receptors, ____ and ____ fibers
hair follicles, sweat and sebaceous glands, lymph vessels, muscle and nerve fibers.
lipocytes
fat cells, make up subcutaneous layer
fibers that make up hair are made of
keratin
___ fills the cells of the epidermis
keratin
each hair has a small slip of smooth muscle attached to it called the ___ __ muscle
arrector pili
nails are a flat plate of ____
keratin
lunula
light colored half moon area at the base of the nail
sebaceous glands are found in
the dermis layer
sebum
oil secreted by sebaceous glands
sweat glands are also known as
sudoriferous glands
sweat contains:
a small amount of waste products but is normally colorless and odorless
apocrine glands
sweat glands in the pubic and underarm areas that produce a thicker sweat and produces odor
cis/o
to cut