Introduction to Dermatology Flashcards
3 main layers of the skin
epidermis
dermis
hypodermis (subcutaneous tissue)
sub cutis tissue
fat store
protection/insulation
dermis
collagen and elastin matrix
epidermis
outer layer
keratinocytes
melanocytes create melanin which gets excreted into
ketatinocutes
anagen of the hair cycle
active growing phase
catagen of the hair cycle
2-3 week phase
tolgen of the hair cycle
resting phase for 4 month
what are the main functions of the skin?
thermoregulation
immune system
barrier (protection)
sensation
vitamin D synthesis
macule
small, circumscribed area
patch
larger circumscribed area
papule
small raised area
plaque
large raised area
bulla
large fluid filled
vesicle
small fluid filled
pustule
small pus filled
erosion is the loss of
epidermis
ulcer is the loss of the
epidermis and dermis
if a bacterial infection is suspected in dermatology - what test would you do?
charcoal swab
Ask for MCandS
(microscopy, culture, sensitivities)
If a viral infection is suspected in dermatology- what test would you do?
viral swab for PCR
swab the vesicle or bulla
if fungal infection is suspected in dermatology - what test would you do?
skin scraping
nail clipping
hair sample
fungal culture