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25 Cards in this Set

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  • Back
epidermis
the outermost portion which is divided into strata
the outermost portion of the skin divided into strata
epidermis
keratin
large amount of protein found in the epidermis which serves to thicken and protect the skin
large amount of protein found in the epidermis which serves to thicken and protect the skin
keratin
stratum corneum
the uppermost layer of the epidermis
uppermost layer of the epidermis
stratum corneum
melanin
a dark pigment that colors the skin and protects it from harmful rays of sunlight
a dark pigment that colors the skin and protects it from harmful rays of sunlight
melanin
melanocytes
the cells that produce melanin
the cells that produce melanin
melanocytes
dermis
contains blood vessels and nerves, sweat glands, oil glands and hair
contains blood vessels and nerves, sweat glands, oil glands and hair
dermis
subcutaneous layer (hypodermis)
connects the skin to the surface muscles, lowest layer of skin
connects the skin to the surface muscles, lowest layer of skin
subcutaneous layer (hypodermis)
lubricates the skin and hair to prevent drying
sebum
sebum
lubricates the skin and hair and prevents drying produced by sebaceous glands
sudoriferous glands (sweat glands)
located in the dermis and subcutaneous tissue
function of the sudiferous glands
cools the body, evaporating sweat pulls heat from the body
part of the hair that is seen above the skin
shaft
shaft
part of the hair that is seen above the skin
portion of hair below the skin
root
root
portion of hair below the skin
arrector pili
muscle that raises the hair
muscle that raises the hair
arrecotor pili
funtions of the skin
protect against infection and dehydration, regulates body temp, and collects sensory information