Ch 7 Skin Flashcards
most numerous sweat gland, watery discharge, sweat glands, thermoregulation, and 3000 glands per square inch on the palms.
Eccrine gland
deep-subcutaneous glands that begin function at puberty, they are armpit, areola, and anus. They have more viscous secretion.
Apocrine gland
extremely fine hair and soft layer that is lost before birth
Lanugo hair
replaces lanugo after birth, stronger and more fine, and less pigmented.
Vellus hair
coarse hair, eyelids, eyebrows and pubic, males have 80-90% of it on their chests extremities and beard.
Terminal Hair
No visible part of nail
root
fold of skin that seals the nail
cuticle
crescent shaped white area
lunula
area under the nail that contains many blood vessels.
nail bed
blueness that can be seen on nail from lack of 02
cyanosis
Fingers grow
faster than toes
Nails grow about
.5mm a weak
nails grow faster in
summer than in winter
What are the five functions of the skin and their description.
1.Protection by barrier against microbes, chemicals and mechanical damage, UV radiation, and dehydration.
2.Surface film by secreting film to provide a barrier.
3.Sensation by sensing pressure, touch, temp, pain, and vibrations.
4.Flexibility by using its elasticity for movement.
5.Excretion by getting rid of things to protect the body.