Derm Formative Week 1 Flashcards
Component of MRSA which causes necrotising fasciitis
PVL
Blisters on dorsal aspect of hands, fragile skin, hypertrichosis of the malar region
Porphyria cutanea tarda
Anagen
Catagen
Telogen
Which phases ?
Anagen = Growing phase
Catagen = Involuting phase
Telogen = Resting phase
Where are Langerhans cells produced ?
Bone marrow
Bulla
Papule
Plaque
Pustule
Nodule
Wheal
Vesicle
Macule
During foetal development, which skin layer is most metabolically active ?
Basal layer
Which cells carry out Vitamin D metabolism ?
Keratinocytes
Acute intermittent porphyria = deficiency of which enzyme ?
Porphobilinogen deaminase
(causing an accumulation of porphobilinogen)
Which cells produce collagen ?
Fibroblasts
A= Keratin layer
B=
C = Melanocytes
D = sebaceous gland
E =
F = epidermis and dermis,
G = fibroblasts
H = sebaceous gland
I = Arrector pili muscle
J = Papilla and matrix of hair follicle
Type I hypersensitivity =
Immediate hypersensitivity
Type II hypersensitivity
Direct cell killing
A is the keratin layer.
B is the granular layer.
C is the prickle cell layer.
D is the basal layer.
E is the dermo-epidermal junction,
F is the dermis
Hypersensitivity:
Mediators of :
Type I
Types II and III
Type IV
Type I = IgE
Types I and II = IgG, IgM
Type IV = Th1
Crust
Fissure
Erosions
Maceration
Ulcer
Lichenification
Scale
Atrophy
