Integument Flashcards
Epidermis
Superficial layer of skin
Dermis
Deep to the epidermis
Dermal papilla
The inner humps of the waves
Epidermal ridges
The dips
Papillary layer
Upper 1/3 of the dermis
*is areolar connective tissue
Reticular Layer
Lower 2/3 of the dermis
*is dense irregular tissue
Subcutaneous Layer
*NOT a layer of the skin
*hypodermis
*mostly blood vessels and adipose
Hair shaft
Visible part of the hair
Meisnner’s Corpuscle
*found in the dermal papilla
*for touch (receptor)
Sebaceous Gland
*secretes an oily substance called sebum
Sebum
*Waterproofs hair and skin
*makes the hair pliable
*inhibits bacterial growth
Arrector pili muscle
*muscle that stands the hair
*causes goosebumps
Lamellated Corpuscle
For pressure
Eccrine Sweat gland
Is exocrine because of the duct
*everywhere
Stratum lucidum
*Present in thick skin
*no hair
*soles and palms