skin terms exam 3 Flashcards
what is the hallmark skin lesion of hyperadrenocorticism
calcinosis cutis
name the four layers of the epidermis
stratum corneum, s. granulosum, s. spinosum, s. basale
what two layers of epidermis does Pemphigus foliaceus target
s. granulosum and s. spinosum
what is cornification
active process of s. basale reproducing and turning over epidermis.
what is the role of desmosomes
bridges between all the keratinocytes help resist shearing forces.
what creates sebum
holocrine glands
what are the main three phases of the hair cycle and what happens when
Anagen (growing), Catagen (transition), Telogen (resting phase)
what are the three structures of the nasal planum
nares, philtrum, alar fold
specific autoimmune dz that only affects dogs claws. painful, brittle nails.
lupoid onchyodystrophy
what is the treatment for SLO
symmetric lupoid onchyodystrophy. doxy + immunomod, supplement fatty acids and pain management
papule vs pustule
papule is edema and inflam cells. pustules are purulent material.
raised lesion that consists of edema. (hive)
wheal
flat discoloration of the skin. ex: vitilago
macule
what is the big version of a macule
patch.
vesicle vs papule
vesicle contains fluid. very small. papule is edema and inflam cells.
big vesicle?
bulla. fluid filled.
a mast cell tumor is an example of what type of lesion
nodule
secondary lesion that does not penetrate the basement membrane
erosion
when the skin looks like tree bark. thickening of all layers. from chronic scratching
lichenification
thickening of only the stratum cornyeum. flaky
hyperkeratosis
how to tell if alopecia is primary of secondary
primary will have intact hairs, with the hair easily removed
secondary will have broken hair shaft ends. stronger. indistinct margins