Telangiectasia(redirected from spider telangiectasia)
Also found in: Dictionary, Thesaurus, Medical.
Related to spider telangiectasia: hereditary hemorrhagic telangiectasia, asterixis
a stable dilation of superficial blood vessels, principally capillaries, of the skin and mucous membranes. The condition may be acquired, but it is usually congenital and is often hereditary. Telangiectases are bluish red spots of varying shapes that generally appear on the face or shins. They may bleed if situated on the mucous membranes of the upper respiratory tract or alimentary canal. Telangiectasia is treated by electrocoagulation or cryotherapy.