Term
Keratinocytes - epidermis |
|
Definition
thick protein- barrier against pathogens |
|
|
Term
|
Definition
synthesize pigment melanin |
|
|
Term
Langerhans cells - epidermis |
|
Definition
Immune functions Type 4 hypersensitivity |
|
|
Term
|
Definition
Sensory nerve endings/detects light touch/pressure |
|
|
Term
Macrophages & mast cells - dermis |
|
Definition
|
|
Term
Histocytes aka macrophage - dermis |
|
Definition
Type of WBC also called macrophages Pigment and inflammation |
|
|
Term
|
Definition
a flat, curcumscribed, discolored lesion of any size: freckles nevi, measles (if bigger than 1cm - patch, mongolian spots) |
|
|
Term
|
Definition
A solid raised lesion 1cm or less in diameter because of infiltration or hyperplasia of the dermis: warts, lichen planus, nevus. (if greater than 1cm - plaque psoriasis) |
|
|
Term
|
Definition
blister, raised, thin wall, fluid-filled (chicken pox or shingles) |
|
|
Term
|
Definition
A lesion containing a purulent exudate: acne, impetigo (bacterial) --> impetigo may be due to S. aureus. |
|
|
Term
|
Definition
Large, slightly elevated lesion w/ flat surface. often topped by scale (psoriasis) |
|
|
Term
|
Definition
Loss of epidermis with exposed dermis: scratches, scabies |
|
|
Term
|
Definition
Linear crack or break exposing the dermis (athletes foot --> mycoses are fungal infections such as tinea), cheilosis |
|
|
Term
|
Definition
Moist, red break in the epidermis; follows rupture of vesicle or bulla; larger than a fissure: chicken pox, diaper dermatitis |
|
|
Term
|
Definition
Loss of epidermis and dermis: pressure ulcers |
|
|
Term
|
Definition
Type 1 hypersensitivity - react to allergens Begins in infancy Associated with hay fever & asthma |
|
|
Term
Atopic dermatitis --> Eczema |
|
Definition
Inherited/dry/scaly/temperature affected Eosinophils & increase IgE indicate allergenic basis |
|
|