Structures:
nail plate- over lies nail bed
Sebaceous gland- secrete oils for hair
Sebum- oil produced by sebaceous gland
nail bed- specialized epithelial cell
nail- keratinized epithelial tissue at ends of fingers and toes
apocrine gland- sweat gland that becomes active with emotions do
eccrine gland- sweat gland that helps in regulating body temperature
arrector pili muscle- helps hair to stand on end
hair follicle- tube-like depression in the epidermis and dermis that contains hairs
hair root- ends of hair that gets nutrients from blood vessels
Lunula- whiteish, thickened, crescent shaped region at the base of nails
the integumentary system helps regulate body temp. by how the different layers of the skin has different functions. There is the epidermis, dermis, and the hypodermis. All the hair follicles, nerves, and such things are here. The adipose cells in the skin help keep us warm when we need it.
Layers of skin:
Credits:
Created with images by diongillard - "Skin" • Ridderhof - "background concrete stone" • seier+seier - "m.g. bindesbøll, thorvaldsen's museum, copenhagen, 1839-1847"