Epidermis

Question 1

tissue characteristics

Answer 1

composed of several layers = stratum/strata

Question 2

types of strate (deep -> superficial)

Answer 2

stratum basale
stratum spinosum
stratum granulosum
stratum granulosum
stratum lucidum
stratum corneum

Question 3

stratum basale

Answer 3

(burnt) deep, contact to dermis, new cells are being produced (older cells pushed outwards)

Question 4

stratum spinosum

Answer 4

(sunburnt) superficial to basale, young

Question 5

stratum granulosum

Answer 5

(get) flatten and getting older

Question 6

stratum lucidum

Answer 6

(lets) dead cells

Question 7

stratum corneum

Answer 7

(come) superficial, dead cells

Question 8

Whats the difference between thick and thin skin?

Answer 8

stratum lucidum is only in thick skin
palms of hands and soles of feet have thick skin

Question 9

types of skin markings

Answer 9

nevus, freckles, hemangloma

Question 10

nevus

Answer 10

mole, overgrowth of melanocytes

Question 11

freckles

Answer 11

lighter than moles, active meloncytes

Question 12

hemangloma

Answer 12

blood vessel growth outside the skin (benign tumor and can be removed)

Question 13

what are the effects of friction on the epidermis?

Answer 13

callus and blisters

Question 14

callus

Answer 14

long term friction (protection from friction, extra layers form on skin)

Question 15

blister

Answer 15

short term sever friction, epidermis separates from dermis (fluid filled sac forms)