Chapter 4 Integumary System Flashcards

0
Q

membrane

A

a thin sheet like structure that may have important functions in the body

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1
Q

appendages

A

something that is attached

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2
Q

cutaneous membrane

A

the primary organ of the integumentary system

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3
Q

serous membrane

A

a 2 layered epithelial membrane that lines the body cavities and covers the surface of organs

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4
Q

integument

A

refers to the skin

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5
Q

basement membrane

A

the connective tissue layer of the serous membrane that holdsand supports the epithelial cells

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6
Q

parietal portion

A

the part of the serous membrane that lines the walls of a body cavity

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7
Q

visceral portion

A

the part of the serous membrane that covers the surface of organs in the body cavities

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8
Q

pleura

A

the serous membranes in the thoracic cavities

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9
Q

peritonium

A

the serous membranes in the abdominal cavities

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10
Q

Pleurisy

A

a painful pathological condition characerized by inflammation of the serous membranes (pleura) tha tline the chest cavity and cover the lungs

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11
Q

mucous membrane

A

epithelial membranes that line body surfaces opening directly to the exterior

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12
Q

mococutaneous junction

A

the transitional area that serves a a point of “fusion” where skin and mucous membranes meet

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13
Q

synovial membrane

A

line the spaces between bones and joints that move are classified as connective tissue membranes

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14
Q

synovial fluid

A

helps reduce friction between the opposing surfaces of bones in moveable joints

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15
Q

bursae

A

small , cushionlike sacs found between moving body parts

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16
Q

sebaceous glands

A

oil glands

17
Q

epidermis

A

the outermost layer of the skin

18
Q

dermis

A

the deeper layer of the skin

19
Q

Hypodermis or subcutaneous tissue

A

a thick layer of loose connective tissue and fat

20
Q

stratum germinativum

A

the cells of the innermost layer of skin

21
Q

keratin

A

a tough, waterproof material that provides cells in the outer layer of the skin with a horny, abrasion-resistant, and protective quality

22
Q

stratum corneum

A

the tough outer layer of the epidermis

23
Q

pigment

A

a substance that gives color to the skin

24
Melanin
the brown pigment
25
cyanosis
when oxygen levels decrease ofr if actual blood flow is reduced dramatically, the skin turns a bluish-gray color
26
dermal papillae
parallel rows of peg-like projections
27
follicles
specialized structures required for hair grown
28
lanugo
the hair of a newborn infant
29
hair papilla
a small cap-shaped structure of cells
30
root
the part of the hair hidden in the follicle
31
shaft
the visible part of the hair
32
arrector pilli
a smooth involuntary muscle attached to the base of a dermal papilla attached tothe base of a follicle
33
Meisserner's corpuscle
is located close to the skin surface, it detects sensations of light touch
34
Pacinian corpuscle
is located deep in the dermis; it is capable of locating pressure on the skin surface
35
sudoriferous gland
sweat glands
36
Eccrine sweat glands
more numerous, and widespread sweat glands. They make perspiration
37
Apocrine sweat glands
they secrete thicker secretion
38
Sebum
prevents drying and cracking of the skin
39
keratin
protects the body from excessive fluid loss