| 释义 |
spider angioma
Thesaurus| Noun | 1. |  spider angioma - a dilation of superficial capillaries with a central red dot from which blood vessels radiatespider nevus, vascular spiderangioma - a tumor consisting of a mass of blood or lymphatic vessels |
TranslationsEncyclopediaSeespider nevusspider angioma
spi·der an·gi·o·maa telangiectatic arteriole in the skin with radiating capillary branches simulating the legs of a spider; characteristic, but not pathognomonic, of parenchymatous liver disease; also seen in pregnancy, often disappearing after delivery, and at times in healthy people. Synonym(s): arterial spider, nevus araneus, spider hemangioma, spider nevus, spider telangiectasia, vascular spiderA superficial spider-like cluster of capillaries composed of a central ‘feeder’ vessel and multiple minute tortuous and dilated radiating vessels with a peripheral erythaema; when the involved vessel is large, it may pulsate and blanch on pressure; while classically due to increased circulating oestrogens as seen in pregnancy and alcoholic cirrhosis, SAs may occur in chronic hepatic congestion 2º to constrictive pericarditis and may be a normal birthmark in childrenspider angioma Dermatology A superficial spider-like cluster of capillaries composed of a central 'feeder' vessel and multiple minute tortuous and dilated radiating vessels with a peripheral erythema; while classically due to ↑ circulating estrogens–eg, in pregnancy and alcoholic cirrhosis, SAs may occur in chronic hepatic congestion 2º to constrictive pericarditis and may be a normal birthmark in children. See White spider. spi·der an·gi·o·ma (spī'dĕr an'jē-ō'mă) A telangiectatic arteriole in the skin with radiating capillary branches simulating the legs of a spider; characteristic, but not pathognomonic, of parenchymatous liver disease; also seen in pregnancy, often disappearing after delivery, and at times in otherwise healthy people.
Synonym(s): arterial spider, spider nevus, spider telangiectasia, spider (2) , vascular spider. spider angioma
Related to spider angioma: hepatic encephalopathy, esophageal varices, fetor hepaticusSynonyms for spider angiomanoun a dilation of superficial capillaries with a central red dot from which blood vessels radiateSynonyms- spider nevus
- vascular spider
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