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Qu'est-ce (qui) est Purpura - définition

HEMORRHAGIC LESION OF THE SKIN CAUSED BY BLEEDING UNDERNEATH THE SKIN

Purpuric; Petechial rash; Vascular purpura; Cutaneous purpura; Acute Thrombocytopenic Purpura; Purpura secondary to clotting disorders; Food-induced purpura; Macular purpura; Papular purpura; Purpura simplex; Itching purpura; Contact purpura; Toxic purpura; Hypergammaglobulinemic purpura; Steroid-induced purpura; Purpura due to drug; Idiopathic purpura; Haemangioma-associated purpura; Eczematid like purpura; Purpura teleangiectatica arciformis Touraine

purpura

['p?:pj?r?]

¦ noun Medicine a rash of purple spots on the skin caused by internal bleeding from small blood vessels.

Derivatives

purpuric -'pj??r?k adjective

Origin

C18: from L., from Gk porphura 'purple'.

Purpura

·noun A genus of marine gastropods, usually having a rough and thick shell. Some species yield a purple dye.

II. Purpura ·noun A disease characterized by livid spots on the skin from extravasated blood, with loss of muscular strength, pain in the limbs, and mental dejection; the purples.

Purpuric

·adj Of or pertaining to Purpura.

II. Purpuric ·adj Pertaining to or designating, a nitrogenous acid contained in uric acid. It is not known in the pure state, but forms well-known purple-red compounds (as murexide), whence its name.

Wikipédia

Purpura

Purpura () is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. They measure 3–10 mm, whereas petechiae measure less than 3 mm, and ecchymoses greater than 1 cm.

Purpura is common with typhus and can be present with meningitis caused by meningococci or septicaemia. In particular, meningococcus (Neisseria meningitidis), a Gram-negative diplococcus organism, releases endotoxin when it lyses. Endotoxin activates the Hageman factor (clotting factor XII), which causes disseminated intravascular coagulation (DIC). The DIC is what appears as a rash on the affected individual.

https://en.wikipedia.org/wiki/Purpura

Exemples du corpus de texte pour Purpura

1. "I don‘t think anyone wants to go through this again in five years," Purpura said.

2. Walsh‘s defense attorney, William Purpura, argued Walsh was at home playing computer games when the fires were set.

3. Purpura said the next generation of wireless devices could be 10 times as big, making the challenge of the next transition even greater.

4. He also brought back William Burck, who recently left the White House to work at the Justice Department; two former federal prosecutors, Michael Purpura and Scott Coffina; and Emmet T.

5. "If you‘ve got a product that‘s going into the market for five years, for 10 years, for 15 years, how do you pick a technology that‘s going to be around that long?" asked Chris Purpura, senior vice president of marketing at Aeris Communications.