Anatomy Test

Question Answer
six functions of the skin to keep harmful substances outprotect internal structures and organsacts as a gland for vitamin D synthesispreforms excretory functionpreforms sensory rolehelps regulate body tempuratuew
vascular with blood vessels
avascular no blood cells
epidermis thin outer layer of the skin, avascular
keratinization when skin cells are hardened and flattened with the protein keratin when they move toward the surface
dermis inner layer of skin, contains blood vessels, nervous tissue, and some muscle tissue
subcutaneous layer tissue beneath the skin, forms fat (adipose tissue), vascular, insulates body
dark skin pigment melanin
yellow pigment carotene
cyanosis poor oxygenation that causes a blush tint
blushing blood vessel dilation causing reddening
pallor blood vessels widening causing paleness
jaundice a yellow pigment, bilirubin
bronze skin tint melanin overproduction ( not from tanning)
ecchymosis black and blue bruising
sebaceous glands secretes oil into the hair follicle
sudoriferous glands secretes sweat through the pores
apocrine glands another sweat gland that secretes the smelly sweat
eccrine glands another sweat gland that goes through pores and secretes regular sweat
mammary glands secrete milk
ceruminous glands secretes ear wax
four processes that the body loses heat radiation: from body to cooler air surrounding itconduction: from warm body to cooler objects in contact with itconvection: by air currents moving over the skin's surfaceevaporation: evaporating s

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