Chapter 4, Integumentary System: Key Terms Flashcards

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1
Q

cutaneous
ku-TA-ne-us

A

pertaining to the skin
Latin: cutis “skin”

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2
Q

derma
DER-mah

A

skin
Greek: “skin”

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3
Q

dermis
DER-mis

A

the layer of the skin between the epidermis and the subcutaneous tissue;
the true skin or corium

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4
Q

epidermis
ep-ih-DER-mis

A

the outermost layer of the skin
Prefix: epi- “upon or over”

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5
Q

hair
har

A

a thread-like keratinized outgrowth from the skin
Root: trich/o “hair”

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6
Q

hair follicle
FOL-ih-kl

A

the sheath in which a hair develops

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7
Q

integumentary system
in-teg-u-MEN-tah-re

A

the skin and its associated glands, hair, and nails

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8
Q

keratin
KER-ah-tin

A

a protein that thickens and toughens the skin and makes up hair and nails
Root: kerat/o “keratin”

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9
Q

melanin
MEL-ah-nin

A

a dark pigment that gives color to the hair and skin and protects the skin against the sun’s radiation
Root: melan/o “dark, black, melanin”

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10
Q

nail
nale

A

a plate-like keratinized outgrowth of the skin that covers the dorsal surface of the terminal phalanges
Root: onych/o “nail”

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11
Q

sebaceous gland
se-BA-shus

A

a skin gland that produces sebum;
usually associated with a hair follicle
Root: seb/o “sebum, sebaceous gland”

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12
Q

sebum
SE-bum

A

a fatty secretion of the sebaceous glands that lubricates the hair and skin
Root: seb/o “sebum, sebaceous gland”

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13
Q

skin

A

tissue that covers the body; the integument
Roots: derm/o, dermat/o “skin”

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14
Q

subcutaneous layer
sub-ku-TA-ne-us

A

the layer of tissue beneath the skin;
also called the hypodermis

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15
Q

sweat gland
swet

A

a gland that releases a watery fluid (perspiration) to the skin surface in order to cool the body. Certain sweat glands, located mainly in the armpits and groin area, release secretions with some cellular material in response to stress.
A sudoriferous (su-dor-IF-er-us) gland.
Root: hidr/o “sweat, perspiration”

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16
Q

eschar
ES-kar

A

scab or crust

17
Q

cicatrix
SIK-ah-triks

A

scar