integumentary system Flashcards
(17 cards)
name the sensory organs
meissners corpuscles, paccinian corpules and free nerve endings
name the accessory organs
hair, nails
name the cell types found in the epidermis
keratinocytes, melanocytes, langerhans, merkel cells
whats the function of keratinocytes
produce keratin, form skin barrier
whats the function of melanocytes
produce melanin for UV protection and pigment
whats the function of langerhans
protect against infections, maintain immune
homeostasis
whats the function of markel cells
detect light touch and pressure
whats the function of meissner’s corpuscles
light tough and texture detection
whats the function of pacinian corpuscles
deep pressure and vibration detection
whats the function of free nerve endings
pain and temperature sensation
what do eccrine sweat glands produce
water + sodium chloride
where are apocrine sweat glands found
axillary + pubic regions
what do apocrine produce
thick oily liquid
what do sebaceous glads produce
sebum
what does sebum do
water proofs + increases elasticity of skin
where are ceruminous glads found
dermis of ear cannal
what does cerumen do
protects + lubricates eardrum