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n. pl. pe·te·chi·ae (-kē-ī′)
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.

[New Latin, from Italian petecchie, pl. of petecchia, spot on skin, perhaps from Vulgar Latin *petīcula, short for *impetīcula, diminutive of Latin impetīx, impetīc-, variant of impetīgō; see impetigo.]

pe·te′chi·al adj.
pe·te′chi·ate (-ĭt) adj.


n, pl -chiae (-kɪˌiː)
(Pathology) a minute discoloured spot on the surface of the skin or mucous membrane, caused by an underlying ruptured blood vessel
[C18: via New Latin from Italian petecchia freckle, of obscure origin]
peˈtechial adj


(pɪˈti ki ə, -ˈtɛk i ə)

n., pl. -te•chi•ae (-ˈti kiˌi, -ˈtɛk iˌi)
a minute, round, nonraised hemorrhage in the skin or in a mucous or serous membrane.
[1575–85; < New Latin < Italian petecchia (in pl.) rash, spots on skin < Vulgar Latin *(im)petīcula= Latin impetīc-, s. of impetīx, variant of impetīgō impetigo + -ula -ule]
pe•te′chi•al, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.petechia - 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)
bruise, contusion - an injury that doesn't break the skin but results in some discoloration


A mark on the skin indicative of a disease, as typhus:


n. petequia, mancha hemorrágica pequeña que se manifiesta en la piel y las mucosas en casos de estado febril esp. en la tifoidea.
References in periodicals archive ?
Isolation of microsatellite DNA markers from a passerine bird, Dendroica petechia (the Yellow Warbler), and their use in population studies.
macrotis petechia (a) N/A indicates the carcass was not scavenged during the monitoring period;--indicates the carcass was scavenged but the scavenger species was not identified.
The rash became confluent; a centrifugal distribution and prominent petechia appeared at sites of trauma or pressure.
rectum and vagina, she suffered from facial petechia or broken blood
Especialy in recent years, Crimean-Congo hemorrhagic fever (CCHF) has started to be considered primarily in patients with complaints of fever, petechia and bicytopenia in Turkey.
Multiple irregular ulcers, mucosal redness, duodenal petechia, and hematomalike protrusions are most common.