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23 Cards in this Set

  • Front
  • Back

dermis (tissue- fibers)

dense connective, collagen, elastic

stratum basale/germinativum

basement (deep), mitotic layer, 1 cell layer

stratum spinosum

prickly layer (cell shrinking), 8-10 cell layers thick (most abundant), desmosomes (hold cells together)

stratum granulosum (granual layer)

transitional layer (alive--> dead); waterproofing (lam gran secrete lipid); 3-5 cell layers

stratum lucidum

clear layer; thick skin and fingertips; 3-5 cell layers

stratum corneum (horny layer)

25-30 flat dead cell layers

apoptosis

programed cell death (old age); stratum granulosum

keratinization

replacement cell contents w/ keratin

papillary region

superior region dermis (20%); areolar w/ collagen and elastic

recticular region

deep dermis (80%); little adipose w/ collagen and elastic

cutaneous plexus

network blood vessels

dermal papilae

bumps/pegs into epidermis

jaundice

yellow, bilirubin from liver disease

cynanosis

blue; lack oxygen hemoglobin

erythema

redness from enlarged capillaries

melanin

yellow, red-brown, black; skin color, freckles, moles

caratin

yellow/orange; soles, palms

hemoglobin

pink hue from blood

sudoriferous glands

sweat glands

eccrine sweat gland

palms, soles, forhead

apocrine sweat gland

axillary and anal/genital region

ceruminous gland

produces cerumen (earwax)

sebaceous glands

oil glands