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Vett 118 > Week 7 > Flashcards

Week 7 Flashcards

1
Q

epidermis

A

outermost layer of skin

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2
Q

squamous epithelium

A

flat, platelike cells at base layer of epidermis

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3
Q

keratin

A

protein that provides skin with waterproofing properties

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4
Q

melanocytes

A

cells in base layer of epidermis which produce and contain black pigment, melanin

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5
Q

dermis/corium

A

skin layer below epidermis. composed of blood, lymph vessels, nerve fibers, and the accessory organs of the skin.

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6
Q

stratum basale/stratum germinativum

A

deepest or basal layer of epidermis that continually multiplies to replace cells lost from surface.

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7
Q

cuboidal

A

cubelike

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8
Q

stratum spinosum or prickle/spinous layer

A

layer of epidermis above stratum basale, which is thickest in hairless regions and areas of high wear and tear.

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9
Q

Keratinization

A

development of the hard, protein constituent of hair, nails, epidermis, horny structures, and tooth enamel. Begins in stratum spinosum

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10
Q

desquamation

A

process in which cell organelles gradually dissolve

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11
Q

stratum granulosum

A

layer above stratum spinosum. Cells contain keratin granules in their cytoplasm

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12
Q

stratum lucidum

A

layer above stratum granulosum, which is clear because of the accumulation of keratin fibers in cell cytoplasm. Not present in all species, but when present, found in areas of high wear/tear such as foot pads.

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13
Q

stratum corneum/horny layer

A

most superficial layer of epidermis, consists of layers of dead, highly keratinized, and flattened cells.

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14
Q

fibroblasts

A

fiber producing cells. mostly produce collagen.

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15
Q

collagen

A

tough, flexible, fibrous protein found in skin, bone, cartilage, tendons, and ligaments.

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16
Q

histiocytes/tissue macrophages

A

phagocytic cells that engulf foreign substances

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17
Q

mast cells

A

cells that respond to insult by producing and releasing histamine and heparin

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18
Q

histamine

A

chemical released in response to allergins that cause itching

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19
Q

heparin

A

anticoagulant chemical released in response to injury

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20
Q

subcutaneous layer/hypodermis

A

located deep under dermis. composed of connective tissue. contains large amount of fat/lipid.

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21
Q

adipocytes

A

fat cells that produce lipid

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22
Q

sebaceous glands

A

aka oil glands. produce oily substance called sebum

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23
Q

holocrine glands

A

glands in which the secreting cells and their secretions make up the discharge produced. i.e. sebaceous glands

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24
Q

sudoriferous glands

A

sweat glands. help regulate body temp

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25
Q

eccrine glands

A

sweat glands that produce and secrete water, salt, and waste. Open directly onto skin surface through pores

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26
Q

apocrine glands

A

produce and secrete a strong smelling substance into the hair follicles.

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27
Q

hidrosis

A

production and excretion of sweat

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28
Q

hidr/o

A

sweat

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29
Q

hyperhydrosis

A

excessive sweating

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30
Q

ceruminous glands

A

modified sweat glands located in the ear canal

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31
Q

cerumen

A

waxy substance - earwax.

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32
Q

pil/o, trich/o

A

hair

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33
Q

cuticle, cortex, medulla

A

components of hair shaft

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34
Q

follicles

A

tubes that hold hair fibers. expands in dermis to form a hair bulb.

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35
Q

arrector pili

A

tiny muscle attached to hair follicle that causes the hair to stand erect in response to cold temperature or stress

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36
Q

piloerection

A

condition of hair standing straight up

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37
Q

guard/primary hairs/topcoat

A

tail and mane hair, bristly hair of swine, most fur hair

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38
Q

secondary hairs/undercoat

A

finer, softer, and wavy hair. Include wool, and wavy hair near skin of rabbits

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39
Q

tactile hair/vibrissae

A

long, brittle, sensitive hairs. i.e. whiskers

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40
Q

cilia

A

thin, short hairs, i.e., eyelashes

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41
Q

wall

A

nail that is located dorsal and lateral to distal phalanx in hooved animals

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42
Q

tori

A

foot pads

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43
Q

digitigrade

A

animals that walk on their toes, with only the digital and metacarpal/metatarsal pads making contact with the ground. i.e., dogs and cats

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44
Q

plantigrade

A

animals that have well developed foot pads, such as primates.

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45
Q

coronary band/coronet

A

region on horse where hoof meets the skin. like the human cuticle.

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46
Q

periople

A

on horse hoof, flaky tissue band located at the junction of the coronary band and the hoof wall. extends distally and widens at the heel to cover the bulbs of heel.

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47
Q

bars

A

raised v-shaped structure on ventral surface of horse hoof located on either side of frog

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48
Q

frog

A

v shaped pad of soft horn located in central region of ventral hoof surface on horse. when weight is put on the frog, it forces blood circulation through foot.

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49
Q

horns

A

permanent structures that grow continuously after birth. grow from frontal skull bones and originate from keratinized epithelium

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50
Q

cornification

A

conversion of epithelium into horn or karatin.

51
Q

polled

A

breeds that are naturally hornless

52
Q

antlers

A

not permanent structures and are shed and regrown annually.

53
Q

exofoliative cytology

A

scraping of cells from a tissue and examination under microscope

54
Q

purified protein derivative (PPD)

A

tuberculosis test

55
Q

skin scrape

A

looks for mites.

56
Q

caseous

A

cheese-like

57
Q

alopec/o

A

baldness

58
Q

atopy

A

allergic dermatitis

59
Q

hypersensitization

A

increased response to allergen

60
Q

bullae

A

multiple contained skin elevations filled with fluid that are greater than 0.5 cm in diameter

61
Q

carbuncle

A

collection of furuncles

62
Q

cellulitis

A

inflammation of connective tissue

63
Q

diffuse

A

widespread

64
Q

comedo

A

blackhead or buildup of sebum and karatin in pore

65
Q

contusion

A

injury that does not break the skin; characterized by pain, swelling and discoloration

66
Q

crust

A

collection of dried sebum and cellular debris

67
Q

dermatocellulitis

A

inflammation of the skin and connective tissue

68
Q

dermatomycosis/dermatophytosis

A

abnomral skin condition caused by superficial fungus

69
Q

discoid lupus erythematosus (DLE)

A

canine autoimmune disease in which the bridge of the nose (and sometimes face and lips) exhibit depigmentation, erythmea, scaling and erosions.

70
Q

dyskeratosis

A

abnormal alteration in keratinization

71
Q

ecchymosis

A

purplish non-elevated patch of bleeding into the skin. aka bruise

72
Q

ecthyma/soremouth

A

skin infection with shallow eruptions caused by a pox virus

73
Q

eosinophilic granuloma complex

A

collective name for autoimmune lesion of eosinophilic ulcer, eosinophilic plaque, and linear granuloma found in cats and rarely in dogs.

74
Q

eosinophilic ulcer/rodent ulcer

A

located on lip and oral mucosa of cats

75
Q

eosinophilic plaque

A

raised pruritic lesion on ventral abdomen of cats

76
Q

linear granuloma

A

located in a line usually on the caudal aspect of the hindlimb of cats

77
Q

erythema

A

skin redness

78
Q

exanthema

A

cutaneous rash caused by fever or disease

79
Q

excoriation

A

skin surface injury caused by self trauma

80
Q

feline miliary dermatitis

A

skin disease of cats in which multiple crusts and bumps are present predominantly on the dorsum

81
Q

fistula

A

abnormal passage from an internal organ to the body surface or between two internal organs

82
Q

FAD

A

flea allergy dermatitis

83
Q

Footrot

A

bacterial hoof disease that spreads from interdigital skin to the deeper foot structures

84
Q

furuncle

A

localized skin infection in a gland or hair follicle. aka boil

85
Q

granuloma

A

small area of healing tissue

86
Q

hemangioma

A

benign tumor composed of newly formed blood vessels

87
Q

hyperkeratosis/acanthokeratodermia

A

abnormal condition of increased growth of the horny layer of skin

88
Q

pediculosis

A

lice infestation

89
Q

chiggers

A

infestation of mite larvae resulting in severe pruritis

90
Q

acariasis

A

infestation with ticks or mites

91
Q

myiasis

A

infestation by fly larvae

92
Q

keratosis

A

abnormal condition of epidermal overgrowth and thickening

93
Q

lesion

A

pathologic change of tissue

94
Q

macule/macula

A

flat, discolored lesion less than 1 cm in diameter

95
Q

amelanotic melanoma

A

unpigmented malignant melanoma

96
Q

onychomycosis

A

superficial fungal infection of the paw

97
Q

pallor

A

skin paleness

98
Q

papule

A

small, raised skin lesion less than 0.5 cm in diameter

99
Q

parakeratosis

A

lesion characterized by thick scales, cracking, and red raw surface caused by the persistence of keratinocyte noclei in the horny layer of skin

100
Q

paronychia

A

bacterial or viral infection of the claw

101
Q

patch

A

localized skin color change greater than 1 cm in diameter

102
Q

penphigus

A

group of immune mediated skin diseases characterized by vesicles, bullae, and ulcers. blister like

103
Q

pemphigus vulgaris

A

most common form of pemphigus. consists of shallow ulcerations frequently involving the oral mucosa and mucocutaneous junctions

104
Q

petechia

A

small, pinpoint hemorrhage

105
Q

plaque

A

solid raised lesion greater than 0.5 cm in diameter

106
Q

pododermatitis/bumblefoot/sore hocks

A

foot infection, esp in birds, small mammals, or rodents

107
Q

polyp

A

growth from mucous membranes

108
Q

pruritus

A

itching

109
Q

purpura

A

condition characterized by hemorrhage into the skin that causes bruising. petechia and ecchymosis.

110
Q

pustule

A

small, circumscribed, pus-filled skin elevation

111
Q

circumscribed

A

contained within a limited area

112
Q

pyoderma

A

skin disease containing pus

113
Q

purulent

A

containing or producing pus

114
Q

juvenile pyoderma/puppy strangles

A

skin disease in puppies that progresses to a systemic disease characterized by fever, anorexia, and enlarged and abscessing lymph nodes

115
Q

sarcoma

A

malignant neoplasm of soft tissue arising from connective tissue

116
Q

sebaceous cyst

A

closed sac of yellow fatty material

117
Q

seborrhea

A

skin condition characterized by overproduction of sebum (oil)

118
Q

decubital ulcers

A

erosions of skin or mucous membranes as a result of prolonged pressure. aka bedsores

119
Q

urticaria

A

localized areas of swelling that itch. aka hives

120
Q

verrucae

A

warts

121
Q

vesicle

A

contained skin elevation filled with fluid that is greater than 0.5 cm in diameter. aka blister, bulla, or bleb

122
Q

wheal

A

smooth, slightly raised swollen area that itches

123
Q

debridement

A

removal of tissue and foreign material to aid healing

Vett 118 (10 decks)

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