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petechia 瘀点 瘀点 petechia n 1: a minute red or purple spot on the surface of the skin as the result of tiny hemorrhages of blood vessels in the skin ( as in typhoid fever) Petechiae \ Pe* tech" i*[ ae]\, n. pl.; sing. { Petechia}. [ NL., fr. LL. peteccia; cf. F. p[' e] t[' e] chie, It. petecchia, Sp. petequia, Gr. pitta` kion a label, plaster.] ( Med.) Small crimson, purple, or livid spots, like flea- bites, due to extravasation of blood, which appear on the skin in malignant fevers, etc. [ 1913 Webster]
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