Fissure		a discolored flat lesion (freckle, tattoo)
Macule		crack-like sore
Papule		a smooth slightly elevated redden area (mosquito bite)
Pustule		small collection of clear fluid (blister)
Ulcer		small black & blue mark ( small bruise)
wheal		a small solid elevation of the skin (pimple)
vesicle		absence of hair
alopecia		a open sore or erosion of the skin (bedsore)
ecchymosis		a small elevation of the skin containing pus
Petechia		black & blue mark (bruise)