NURS 202 Chapter Notes - Chapter 13: Necrosis, Abdominal Wall, Duodenum
Document Summary
Skin is made up of epidermis (outer layer) dermis (inner layer) subcutaneous layer (adipose) Hair is made up of hair are threads of keratin hair shaft: visible projecting part hair root: below the surface, embedded in the follicle bulb matrix: at the root; expanded area where new cells are produced at fast rate. Two types of hair vellus hair: fine, faint hair that covers most of the body terminal hair: darker thicker hair that grows on the scalp and eyebrows. Initially look yellow, usually clears w breastfeeding and bowel movements. Elevation and enlargement annular/ circular lesion begin in the centre and spread to the periphery (e. g. ringworm) confluent lesions that run together e. g. urticaria/ hives grouped lesions cluster of lesions e. g. dermatitis, shingles, poison ivy. Iris or target resemble bullseye, concentric ring of colour e. g lyme disease polycyclic circular lesions that grow together e. g. psoriasis zosteriform linear travel along a dermatome (nerve root) primary vs secondary lesions.
