Integument Flashcards
What are some adnexal structures?
hair follicles, glands, claws, and hooves
Orthokeratotic Hyperkeratosis
anuclear squamous epithelium
Parakeratotic Hyperkeratosis
nucleated squamous epithelium
Causes of Primary Idiopahtic Seborrhea
inherited, dry form (sicca) - dry skin;
Epidermal atrophy
Decrease in # and size of epithelium
Epidermal hyperplasia
Increse in the # of cells in stratum spimosum
Spongiosis Edema
intracellular edema of the epithelium
Reticular Degenerative Edema
intracellular swelling of keratinocytes
Hydrophic/Vacuolar Degenerative Edema
intracellular swelling of basal keratinocytes resulting in vesicles
Acantholysis
disruption of desmosomes between keratinocytes
Vesicles and Bulla
Fluid filled areas within/beneath epidermis
Dermal Atrophy
decrease in quality of collagen fibrils
Fibrosis/fibroplasia
proliferation of fibroblasts and newly formed collagen fibrils
Solar elastosis
increase in thick basofilic fibers in dermis
Follicular Dysplasia
incomplete/abnormal development of hair follicle/shaft