petechia

petechia /pe·te·chia/ (pĕ-te´ke-ah) pl. pete´chiae   [L.] a minute red spot due to escape of a small amount of blood.pete´chial

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pe·te·chi·a (p-tk-)

n. pl. pe·te·chi·ae (-k-)

A small purplish spot on a body surface, such as the skin or a mucous membrane, caused by a minute hemorrhage and often seen in typhus.

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pe·techi·al adj.

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Petechia

A tiny, purplish-red spot on the skin. Caused by the leakage of a bit of blood out of a vessel and under the skin.

Mentioned in: Rocky Mountain Spotted Fever, Vasculitis

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petechiae

[pētē′kē·ē] sing. petechia

Etymology: It, petecchie, flea-bites

numerous tiny purple or red spots appearing on the skin as a result of tiny hemorrhages within the dermal or submucosal layers. Petechiae range from pinpoint to pinhead size and are flush with the surface. Compare ecchymosis. petechial, adj.

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petechia

pl. petechiae [L.] a minute, pinpoint, nonraised, perfectly round, purplish red spot caused by intradermal or submucous hemorrhage, which later turns blue or yellow.

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petechia

Plural, petechiae  Dermatology A pinpoint, unraised, round red spot under the skin caused by RBCs leaking from capillaries