A<unk>  (pl.<unk> e) is a small (1–2 mm) red or purple spot on the skin or conjunctiva, caused by a minor bleed from broken capillary blood vessels. The word is derived from Latin 'petigo', meaning ‘scab' or 'eruption’.<unk>  refers to one of the three descriptive types of hematoma differentiated by size, the other two being ecchymosis and purpura. Ecchymosis is defined as hematomas larger than 1 centimetre and purpura as 1–5 millimetres. The term is almost always used in the plural<unk> e), since a single lesion is seldom noticed or significant.
Petechia
Rhagades
Rose spots
Parosmia
Onychomadesis
Onycholysis
Leukoedema
Purpura