The general examination of the skin considers normal variants ... Some common descriptive terms of primary lesions are scale, crust, fissures, lichenification, erosion, ulcer, excoriation, scar ...
Fissure. A thin linear erosion of the skin surface. Lesion. A visible or palpable abnormality. Macule. Small (<1.0 cm) area of color change; no elevation and no substance on palpation. Nodule.