Integumentary System Flashcards
Integumentary system
encloses internal body structure; site of many sensory receptors
function 1- protection
protects body from basic elements of nature
function 2- sensory
feeling
function 3- thermoregulation
helps the body regulate temperature through sympathetic nervous system
function 4- vitamin d synthesis
absorption of calcium and phosphorous, required for healthy bones
skin
made up of 3 layers, epidermis, dermis, and hypodermis
keratinocyte
is a cell that manufactures and stores protein keratin
stratum basale
5th layer of the epidermis, cuboidal shaped stem
stratum granulosum
3rd layer of the epidermis, grainy
stratum lucidum
2nd layer of the epidermis, smooth, seemingly translucent layer
stratum corneum
1st layer of the epidermis, sheds
thin skin
layers 1,3,4,5
thick skin
layers 1-5
epidermis
the outer layer of the skin that is visible and provides protection
hypodermis
tissue immediately beneath the epidermis which is also protecting layer
keratin
type of protein that makes up your hair skin and nails