BIO120 CHP5

the superficial layer of epithelium of the skin

EPIDERMIS

the epidermis

CONTAINS NO BLOOD VESSELS

which cells of the epidermis are part of the immune system

LANGERHANS CELLS

what is responsible for the reduction of water loss from the skin/resists abrasion

KERATINOCYTES 

the layer of epidermis that undergoes mitosis and forms new epidermal cells

STRATUM BASALE

which layer of the epidermis is found in only a few areas of the body

STRATUM LUCIDUM

order of the layers of the epidermis from the deepest to more superficial                                                  

• STRATUM BASALE 

• STRATUM SPINOSUM

• STRATUM GRANULOSUM 

• STRATUM LUCUDYM

• STRATUM CORENUM 

this strathe tum contains many layers of dead squamous cells

STRATUM CORNEUM

the portion of a hair that protrudes about the surface of the skin

HAIR SHAFT

what happens when the arrestor pili muscles contract

GOOSEBUMPS

what is the dermal layer closet to the epidermis

PAPILLARY LAYER

the portion of the hair below the surface of the skin

ROOT

blood vessels in the____supply epidermal cells wit nutrients

DERMIS

usually connected by ducts to the upper part of hair follicles

SEBACEOUS GLAND

usually open directly onto the surface of the skin through pores

ECCRINEp

protect the ends of digits

NAILS

acquired from yellow-orange vegetables/converts to vitamin a

CAROTENE

protein that gives skin its reddish tint

HEMOGLOBIN

combination to result normal skin color

• HEMOGLOBIN

• MELANIN

• CAROTENE