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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
eccrine glands
sweat glands that produce and secrete water, salt, and waste. Open directly onto skin surface through pores
26
apocrine glands
produce and secrete a strong smelling substance into the hair follicles.
27
hidrosis
production and excretion of sweat
28
hidr/o
sweat
29
hyperhydrosis
excessive sweating
30
ceruminous glands
modified sweat glands located in the ear canal
31
cerumen
waxy substance - earwax.
32
pil/o, trich/o
hair
33
cuticle, cortex, medulla
components of hair shaft
34
follicles
tubes that hold hair fibers. expands in dermis to form a hair bulb.
35
arrector pili
tiny muscle attached to hair follicle that causes the hair to stand erect in response to cold temperature or stress
36
piloerection
condition of hair standing straight up
37
guard/primary hairs/topcoat
tail and mane hair, bristly hair of swine, most fur hair
38
secondary hairs/undercoat
finer, softer, and wavy hair. Include wool, and wavy hair near skin of rabbits
39
tactile hair/vibrissae
long, brittle, sensitive hairs. i.e. whiskers
40
cilia
thin, short hairs, i.e., eyelashes
41
wall
nail that is located dorsal and lateral to distal phalanx in hooved animals
42
tori
foot pads
43
digitigrade
animals that walk on their toes, with only the digital and metacarpal/metatarsal pads making contact with the ground. i.e., dogs and cats
44
plantigrade
animals that have well developed foot pads, such as primates.
45
coronary band/coronet
region on horse where hoof meets the skin. like the human cuticle.
46
periople
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.
47
bars
raised v-shaped structure on ventral surface of horse hoof located on either side of frog
48
frog
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.
49
horns
permanent structures that grow continuously after birth. grow from frontal skull bones and originate from keratinized epithelium
50
cornification
conversion of epithelium into horn or karatin.
51
polled
breeds that are naturally hornless
52
antlers
not permanent structures and are shed and regrown annually.
53
exofoliative cytology
scraping of cells from a tissue and examination under microscope
54
purified protein derivative (PPD)
tuberculosis test
55
skin scrape
looks for mites.
56
caseous
cheese-like
57
alopec/o
baldness
58
atopy
allergic dermatitis
59
hypersensitization
increased response to allergen
60
bullae
multiple contained skin elevations filled with fluid that are greater than 0.5 cm in diameter
61
carbuncle
collection of furuncles
62
cellulitis
inflammation of connective tissue
63
diffuse
widespread
64
comedo
blackhead or buildup of sebum and karatin in pore
65
contusion
injury that does not break the skin; characterized by pain, swelling and discoloration
66
crust
collection of dried sebum and cellular debris
67
dermatocellulitis
inflammation of the skin and connective tissue
68
dermatomycosis/dermatophytosis
abnomral skin condition caused by superficial fungus
69
discoid lupus erythematosus (DLE)
canine autoimmune disease in which the bridge of the nose (and sometimes face and lips) exhibit depigmentation, erythmea, scaling and erosions.
70
dyskeratosis
abnormal alteration in keratinization
71
ecchymosis
purplish non-elevated patch of bleeding into the skin. aka bruise
72
ecthyma/soremouth
skin infection with shallow eruptions caused by a pox virus
73
eosinophilic granuloma complex
collective name for autoimmune lesion of eosinophilic ulcer, eosinophilic plaque, and linear granuloma found in cats and rarely in dogs.
74
eosinophilic ulcer/rodent ulcer
located on lip and oral mucosa of cats
75
eosinophilic plaque
raised pruritic lesion on ventral abdomen of cats
76
linear granuloma
located in a line usually on the caudal aspect of the hindlimb of cats
77
erythema
skin redness
78
exanthema
cutaneous rash caused by fever or disease
79
excoriation
skin surface injury caused by self trauma
80
feline miliary dermatitis
skin disease of cats in which multiple crusts and bumps are present predominantly on the dorsum
81
fistula
abnormal passage from an internal organ to the body surface or between two internal organs
82
FAD
flea allergy dermatitis
83
Footrot
bacterial hoof disease that spreads from interdigital skin to the deeper foot structures
84
furuncle
localized skin infection in a gland or hair follicle. aka boil
85
granuloma
small area of healing tissue
86
hemangioma
benign tumor composed of newly formed blood vessels
87
hyperkeratosis/acanthokeratodermia
abnormal condition of increased growth of the horny layer of skin
88
pediculosis
lice infestation
89
chiggers
infestation of mite larvae resulting in severe pruritis
90
acariasis
infestation with ticks or mites
91
myiasis
infestation by fly larvae
92
keratosis
abnormal condition of epidermal overgrowth and thickening
93
lesion
pathologic change of tissue
94
macule/macula
flat, discolored lesion less than 1 cm in diameter
95
amelanotic melanoma
unpigmented malignant melanoma
96
onychomycosis
superficial fungal infection of the paw
97
pallor
skin paleness
98
papule
small, raised skin lesion less than 0.5 cm in diameter
99
parakeratosis
lesion characterized by thick scales, cracking, and red raw surface caused by the persistence of keratinocyte noclei in the horny layer of skin
100
paronychia
bacterial or viral infection of the claw
101
patch
localized skin color change greater than 1 cm in diameter
102
penphigus
group of immune mediated skin diseases characterized by vesicles, bullae, and ulcers. blister like
103
pemphigus vulgaris
most common form of pemphigus. consists of shallow ulcerations frequently involving the oral mucosa and mucocutaneous junctions
104
petechia
small, pinpoint hemorrhage
105
plaque
solid raised lesion greater than 0.5 cm in diameter
106
pododermatitis/bumblefoot/sore hocks
foot infection, esp in birds, small mammals, or rodents
107
polyp
growth from mucous membranes
108
pruritus
itching
109
purpura
condition characterized by hemorrhage into the skin that causes bruising. petechia and ecchymosis.
110
pustule
small, circumscribed, pus-filled skin elevation
111
circumscribed
contained within a limited area
112
pyoderma
skin disease containing pus
113
purulent
containing or producing pus
114
juvenile pyoderma/puppy strangles
skin disease in puppies that progresses to a systemic disease characterized by fever, anorexia, and enlarged and abscessing lymph nodes
115
sarcoma
malignant neoplasm of soft tissue arising from connective tissue
116
sebaceous cyst
closed sac of yellow fatty material
117
seborrhea
skin condition characterized by overproduction of sebum (oil)
118
decubital ulcers
erosions of skin or mucous membranes as a result of prolonged pressure. aka bedsores
119
urticaria
localized areas of swelling that itch. aka hives
120
verrucae
warts
121
vesicle
contained skin elevation filled with fluid that is greater than 0.5 cm in diameter. aka blister, bulla, or bleb
122
wheal
smooth, slightly raised swollen area that itches
123
debridement
removal of tissue and foreign material to aid healing

Vett 118 (10 decks)

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