skin key term matching

free nerve endings

detect pain

Pacinian corpuscles

detects deep pressure

Meissner's corpuscles

detects fine touch

stratum lucidum

epidermal layer seen only in skin of palm and sole

keratin

hard protein found in epidermis, hair, and nails

keratinocytes

main cell found in skin

epidermis

most superficial layer of skin

stratum corpuscle

most superficial layer of the epidermis

hair root

portion of the hair below skin surface

sebaceous gland

secretes oil

hair follicle

sheath surrounding hair bulb and root

stratum basale

only living layer of the epidermis

eccrine sweat glands

connected to skin surface by duct

apocrine sweat glands

found in underarm and groin region

hair bulb

group of cells at the base of hair root

melanin

protein giving skin and hair its color

dermis

skin layer with papillary and reticular layer

arrector pili

slip of smooth muscle attached to hair follicle

hypodermis

subcutaneous layer

hair shaft

the portion of the hair visible to the skin