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What is spider nevi, dilatation of blood vessels is due to and explain in detail?
Ref Wikipedia A spider angioma as a nevus araneus, spider nevus, vascular spider ,spider telangiectasia is type of telangiectasia found slightly beneath the skin surface The central red dot is the dilated aeriole and the red spider legs are small veins carrying away the freely flowing blood. The dilation is caused by increased estrogen levels in the blood