the integumentary system Flashcards
what is the integumentary system ?
the skin and its accessory structures
the skin is made up of how many layers ?
2
is subcutaneous tissue apart of the skin ?
no
which is the most superficial layer of the skin ?
the epidermis
which layer of skin is immideatly deep to the epidermis ?
the dermis
what can the epidermis do ?
prevent water loss and helps stop abrasion
what are the layers of the epidermis called ?
strata
what is keratinization?
when the outermost cells change their shape and chemical composition
what does the stratum basale do ?
mitotic division
the process of daughter cells being pushed to the top of the skin can take about ____ days
40-56 days
when is the stratum lucidum going to be present ?
when there is the presence of thick skin
which layer of the epidermis is the most superficial?
the stratum corneum
which nutrient is filled up inside the stratum corneum?
keratin
what forms cleavage lines ?
collagen
which ways should surgeons cut cleavage lines
with the lines the direction is going in