Integumentary System Flashcards
Meissner’s Corpuscle
Light touch, papillary layer of dermis
Pacinian Corpuscle
Deep touch, reticular layer of dermis
Unmyelinated nerve ending in papillary dermis: low intensity stimulation from inflammation causes what symptom?
Itching
Unmyelinated nerve ending in papillary dermis: high intensity stimulation from inflammation causes what symptom?
Pain
Hair: Anagen
Growth phase (2-6yrs) 85%
Hair: Catagen
Transition phase (2-3wks) 1%
Hair: Telogen
Resting phase (3mos) 14%
Hair: Eumelanin
Brown/black
Hair: Pheomelanin
Blonde
Hair: Erythromelanin
Red
Hair: Absence of melanocytes
White
Hair: Loss of melanocytes
Gray
Lanula
White moon-shaped part of nails
Proximal Matrix
Produces dorsal plate (where you see pigment)
Distal Matrix
Produces ventral plate
Entire Matrix
Contains melanocytes
Tzanck smear
Viral test in office
KOH prep
Fungal test in office
Confluent
Grouped
Discrete
Separate
Annular
Complete circle
Arculate
Partial circle