integumentary system ch11 Flashcards

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1
Q

skin includes what?

A

glands horns beaks hair fur wool claws scales hooves nails

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2
Q

function

A

largest organ, covers surfaces, protects, lubricates, receptor,temperature, coloration, vitaminD synthesis

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3
Q

epidermis

A

several thick layers, outermost cellular membranes, no blood vessels, thickness varies

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4
Q

pigmentation

A

color, melanin, melanocytes

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5
Q

albinism

A

absence of normal pigmentation

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6
Q

dermis

A

corium, dense fibrous connective tissue blood and lymph, nerve fivers, accessory organs

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7
Q

collagen

A

structural protein, found in skin

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8
Q

subcutaneous

A

hypodermis, thick fat containing tissue

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9
Q

arrector pili

A

hair stands on end, hackles are up

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10
Q

sweat glands

A

hydrosis, moisten and cool

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11
Q

pelt

A

hair and skin of skinned animal

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12
Q

fur

A

short very fine soft hair that protects in cool temperatures

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13
Q

hails and hooves

A

hard keratin plates covering distal phalanx, ungulates

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14
Q

cilia

A

thin tiny hairs lining of respiratory tract

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15
Q

primary hairs

A

long straight hairs that form outer coat, top coat, over coat

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16
Q

secondary hairs

A

finer softer hair that forms inner coat of an animal, undercoat

17
Q

tactile hairs

A

long brittle hairs on face very sensitive, whiskers, vibrissae

18
Q

collagen

A

structural protein found in dermis

19
Q

dermis

A

rue layer of skin containing blood supply and nerves

20
Q

epidermis

A

outermost layer of skin

21
Q

hair follicle

A

sac in dermis which hair gows

22
Q

integumentary systen

A

skin hair nails glands

23
Q

keratin

A

hard protein found in hair claws horns antlers and epidermis

24
Q

melanin

A

pigment that gives skin its color

25
Q

melanocytes

A

cells in the epidermis produce melanin

26
Q

sebaceous glands

A

oil secreting gland associated with hair follicles

27
Q

sebum

A

oily substance secreted by sebaceous glands

28
Q

subcutaneous tissue

A

deep fatty layer of skin

29
Q

abrasion

A

wound caused by scraping of skin

30
Q

abcess

A

localized collection of pus

31
Q

acne

A

collection of comedones or blackheads, plugged sebaceous glans

32
Q

albino/ albinism

A

congenital absence of pigmentation of hair skin eyes

33
Q

alopecia

A

absence of hair in areas where it normally grows

34
Q

atopy

A

hypersensitivity reaction characterized by pruritus and dermatitis, allergic dermatitis

35
Q

bulla, bullae

A

fluid filled skin elevation, blister or vesicle