Hair
Type of hair found on upper and lower limbs
What is vellus hair?
Cells that make up the epidermis
What is keratinocytes or stratified squamous?
The epidermis is not waterproof, it's _______
What is water resistant?
Description of Shaft
What is composed of dead cells and portion of hair above the skin?
Thick skin is found in these two places
What are palms and soles of feet?
Skin absorbs some chemicals/drugs but blocks others
What is selectively permeable?
The zone of hair that surrounds the hair papilla
What is hair bulb?
Location and function of melanocytes
What is basale layer and absorbs UV light from sunlight?
Dermis is this type of tissue
What is connective tissue?
Part of the body that extends from hair follicle to dermal papillae
What is Arrector pili?
Epidermis layer only found in thick skin
What is lucidum?
Dermal blood vessels capable to conserve heat
What is vasoconstriction?
Autoimmune disorder where follicles are attacked
What is Alopecia areata?
Order of epidermis layers (stratum is not used & top to bottom)
What is corneum, lucidum, granulosum, spinosum, basale?
Function of calcitriol
What is regulates blood calcium levels?