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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.
References in periodicals archive ?
On examination, she had no dysmorphism, was pale, febrile with no icterus, petechiae, or bruises.
064 nm, 97% for 532 nm), mild to moderate petechiae (50%, 38%), and mild purpura (17%, 0%).
On skin examination, there are multiple purpuric annular plaques with central clearing, some with bullae and petechiae, on the bilateral buttocks and legs.
This can manifest as petechiae over the skin, haemorrhages from mucosa of gastrointestinal and genitourinary tract.
In the RATIFY trial, the most frequent adverse reactions (incidence greater than or equal to 30%) in the Rydapt plus standard chemotherapy arm were febrile neutropenia, nausea, exfoliative dermatitis, vomiting, headache, petechiae (small red skin spots) and pyrexia.
The rash rapidly evolves to pustules, petechiae, and ecchymosis.
The likelihood of infectious mononucleosis is increased with the presence of posterior cervical adenopathy, inguinal or axillary adenopathy, palatine petechiae, and splenomegaly, whereas the likelihood reduces with the absence of any lymphadenopathy.
She also had nonblanching petechiae on both of her lower legs (figure 2) and on the dorsal and palmar aspects of her hands.
Tyring advised clinicians to look for "white islands in a sea of red" as a sign of the characteristic dengue rash, in addition to petechiae and ecchymoses.
These purplish rash-like discolorations may range from tiny dots known as petechiae to larger patches known as purpuras and ecchymoses.
After 5 minutes, the cuff was deflated and the total number of petechiae visible inside the square were counted.
She had also called the dermatology outpatient department 3 days prior to admission because of progressive petechiae and purpura formation on her left plantar region.