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Definition: 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 healthy people.
Synonym(s): arterial spider, nevus araneus, spider hemangioma, spider nevus, spider telangiectasia, vascular spider
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