The skin Flashcards
what is the largest organ in the body
skin
name the layers of skin
epidermis
dermis
describe the epidermis
very thin layer
constantly renews
old cells shed from its surface
supported by thick layer called dermis
describe the dermis
contains supportive fibres, elastic fibres, protective cells and fat cells
has a rich network of blood vessels and nerve fibres
name two tiny glands that originate in the dermis
sweat glands
sebaceous glands
describe sweat glands
watery solution containing waste products and salts
describe sebaceous glands
secrete sebum, an oily substance which protects the skin
describe hair follicles
originate in the dermis
constantly generate hair made of protein called keratin
describe skin creases
termed as stress lines
form regions where skin is most flexible
guide for surgical incisions as heal better
useful landmarks for acupuncture points
in chinese medicine how is the skin govern?
lungs and large intestine
in chinese medicine how is the hair governed?
body hair -lung
hair on the scalp - kidney
what are subcutaneous tissues?
they consist of fibres, elastic fibres, plentiful fat cells
have a rich blood and nervous supply
dense subcutaneous tissues and fibres form layers call fascia - meaning bundles of fibres
what happens to skin as we get older?
we become more yin
elasticity decreases
in chinese medicine what are the subcutaneous tissues dominated by?
spleen and stomach
to a lesser extent the liver and gall bladder