intergumentary system Flashcards

0
Q

skin is an organ because

A

it consists of tissues joined together

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1
Q

made up of nails,hair and glands ,

largest organ of the body

A

intergumentary system

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2
Q

enable physical sensation

A

mechanoreceptors

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3
Q

what is normal healthy skin?

A
slightly moist
soft
flexible 
acidic
free of blemishes and disease 
self renewing
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4
Q

what are the functions of the skin?

A
regulation of body temperature
protection 
reception of stimuli
excretion 
synthesis of vitamin d
immunity
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5
Q

the outer thinner layer of the skin

A

epidermis

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6
Q

the inner thicker layer of the skin

A

dermis

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7
Q

the outer most layer of the skin

epidermis

A

stratum corneum

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8
Q

translucent layer of the skin

(epidermis)

Present in palms of hands,filled with keratin

A

stratum lucidium

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9
Q

layer is 3-5 layers thick

A

stratum granolosum

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10
Q

prickle cell layer, multiple layers of columnar cells

A

stratum spinosum

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11
Q

the deepest layer, single row columnar

A

stratum germinativum (basale)

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12
Q

cells that produce melanin

A

melanocytes

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13
Q

molecule gives its skin its color and protect from uv rays

A

melanin

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14
Q

growths of the epidermis

A

hair

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15
Q

composed of keratinized pigmented cells

A

hair

16
Q

detect pain and temperature

A

sensory nerve endings

17
Q

mechanoreceptors in deep layers of the epidermis

A

markels disks

18
Q

cells active in the capture of precessing foreign substances

A

langehan’s cells

19
Q

keratinized modifications of the epidermis,protect the digits and serve as tools

A

nails

20
Q

cuticle overlies the proximal end of the nail.

A

eponychium

21
Q

skin folds overlies the lateral edges of the nail

A

paronychium

22
Q

thickened layer of the epidermis under distal part of nail

A

hyponychium

23
Q

whitish crescent of nail

A

lunula

24
Q

fibrous connective tissue layer of skin highly sensitive and vascular

A

dermis

25
Q

lies just under the epidermis,cone shaped help anchor epidermis to dermis contain blood vessels and nerve endings

A

reticular layer

26
Q

exocrine glands with ducts into hair follicles produce oily substance called sebum

A

sebaceous glands

27
Q

exocrine glands that secrete sweat

A

sudoriferous glands

28
Q

connected to hair follicles

axille, groin, and around the nipples

A

approcrine glands

29
Q

more numerous than approcrine glands,they can be found in:

palms of hands, soles of feet, forehead, part of external genetelia.

A

eccrine glands

30
Q

specialized sudoriferous glands in breast, they secrete milk

A

mammary glands

31
Q

specialized sudoriferous glands, they secrete ear wax

A

ceruminous glands

32
Q

are distributed to the erector pili muscles they cause goose bumps

A

motor nerve fibers

33
Q

stimulate the glands of skin both sebaceous and sudoriferous they detect pain, heat and pressure

A

secretory nerve fibers

34
Q

detect painful sensations

A

free nerve endings

35
Q

heat and cold sensors

A

thermoreceptors

36
Q

detect pressure

A

mechanoreceptors

37
Q
markel's disks 
meissner's corpuscles 
pacinian's corpuscles 
ruffini's endings 
panniculus adiposus      ARE ALL
A

mechanoreceptors