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Chapter Five-Integumentary System
Integumentary System
29
Medical
Undergraduate 4
01/26/2012

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Term
Four functions of the skin
Definition
Protection, Regulation, Sensation, Secretion
Term
Subportions of epidermis
Definition
Stratum- germinativum (innermost); spinosum; granulosum; lucidum; corneum (outermost)
Term
Dermis
Definition
inner layer; contains corium (true skin); composed of papillary layer (upper) and reticular (lower)
Term
Follicle
Definition
hair-where cells develop
Term
Shaft
Definition
hair-visible
Term
Root
Definition
hair-embedded in follicle
Term
Hair papilla
Definition
at the base of each follicle; a loop of capillaries enclosed within connective tissue
Term
Pilomotor muscle
Definition
attaches to side of each follicle
Term
Nails
Definition
horny cell structures; consists of body, root, matrix, lunula
Term
Sebaceous glands (oil glands)
Definition
hair follicles; sebum; lubricate skin and hair; control by endocrine system
Term
Sudoriferous (sweat glands)
Definition
all over body except penis and lips; Two types which are Apocrine (armpits) and Merocrine (hands/feet). Function is to cool body and rid waste
Term
Four accessory structures of skin
Definition
hair, nails, sebaceous glands, sweat glands
Term
aden/o
Definition
gland
Term
angi/o
Definition
vessel
Term
carcin/o
Definition
cancer
Term
cutane/o
Definition
skin
Term
derm/o
Definition
skin
Term
erythri/o
Definition
red
Term
follicu/o
Definition
little bag
Term
kerat/o
Definition
horn
Term
onych/o
Definition
nail
Term
pruit/o
Definition
itching
Term
scler/o
Definition
hardening
Term
Scratch Test
Definition
Allergens; skin is scratched, substance placed on skin to see patient's reaction
Term
Sweat test
Definition
cystic fibrosis-high chloride concentration
Term
Tzanck Test
Definition
test pustule (bubble)-viral infection
Term
Wound culture
Definition
test wound exudate; stick long q-tip in wound, seal it up in container, send it down to lab
Term
Biopsy
Definition
take small piece of living tissue-malignant or benign
Term
Sedimentation Rate
Definition
blood test-how long it takes for RBCs to settle in tube
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