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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 ?
Sheku was found to have more than 20 facial cuts and bruises, petechial haemorrhages - a symptom of a sphyxiation - in his eyes, a fractured rib and grazing on his chest.
Finkelstein disease (B), also known as acute hemorrhagic edema of infancy (AHEI), is charac terized by the development of petechial, urticarial, or targetoid plaques over 24-48 hours with tender edema and fever in children aged less than 2 years.
The day before admission, she experienced a blanching rash and pains in her feet, after which her condition deteriorated and a definite petechial rash appeared.
Further, it is observed that petechial rash is the most common presentation in severe thrombocytopenia.
Suspected leptospirosis cases were defined as the occurrence of fever with at least two nonspecific symptoms (myalgia, headache, jaundice, conjunctival suffusion, or maculopapular or petechial rash), or at least one diagnosis indicating severe illness (aseptic meningitis, renal insufficiency, pulmonary complications, electrocardiogram abnormalities, gastrointestinal symptoms, hemorrhage, or jaundice with acute renal failure) during August 13-September 21, 2016 in a patient exposed to floodwater (4).
Prof Cassidy explained the force would have had to be maintained for "a sufficient time" for the petechial haemortion rhages on the face to appear.
The rash associated with RBF can be petechial, purpuric, or maculopapular, but the presence of hemorrhagic nodules and ulcers at the site of the bite is especially indicative of the illness.
The disease is known as Surra locally, and is characterized by intermittent fever, progressive anemia, emaciation, edema of the dependent parts of the body, the other common clinical signs are including sweating, lacrimation, nasal discharge, hyper aesthesia, urticarial plaque formation on the skin, conjunctivitis, petechial hemorrhage, hindquarter muscles atrophy and posterior paralysis [4].
Objective: Pigmented purpuric dermatosis (PPD) is a chronic skin disease characterized by petechial and pigmentary macules.
She was pale, but had no jaundice, scratch marks, petechial haemorrhages or palpable lymphadenopathy.
The petechial hemorrhages were observed in the serosal layer of the intestine, pericardium, spleen, and lung (Fig.
Strangulation by a ligature presents with a skin indentation, abrasion, and petechial facial hemorrhages.