Chp 16 Skin Flashcards
how much does the skin weigh?
8-10 lbs
how many square feet does skin cover in avg adult
22 sq ft
what are the 5 main functions of the skin?
- provides protection
- lubrication and cooling
- receptor for sensations
- body temp maintained
- produces sweat and sebum
the outermost thin cellular membrane is known as
epidermis
the next layer of the skin made of dense fibrous connective tissue is known as
dermis
thick, fat containing tissue is known as
subcutaneous tissue
cells filled with the hard protein known as keratin is
hair
shaft that holds hair
hair follicle
what cell produces melanin pigment
melanocytes
hard keratin plates covering toes and fingers is known as
nails
sebacous and sweat are known as
glands
fat cell
adipocyte
person with skin deficient in pigment
albino
one of the largest dermal exocrine glands located in the axilla and genital areas
apocrine sweat gland
deepest region of the epidermis, gives rise to all the epidermal cells
basal layer
structural protein found in the skin and connective tissue
collagen
band of epidermis at the base and sides of the nail plate
cuticle
middle layer of the skin
dermis
most numerous sweat producing exocrine gland in skin
eccrine sweat gland
outermost layer of the skin
epidermis
layer of skin cells forming the outer and inner surfaces of body
epithelium
sac within which each hair grows
hair follicle
the skin and its accessory structures such as hair and nails
integumentary system
hard protein material found in the epidermis, hair, and nails
keratin