spider naevus


Also found in: Dictionary, Thesaurus.
Related to spider naevus: Spider naevi

spider naevus

A common, tiny skin blemish consisting of a small, central, slightly raised, bright red area from which fine red lines, like spider legs, radiate. Numerous spider naevi occur in serious liver disease, such as cirrhosis and sometimes in pregnant women or those receiving hormone replacement therapy.

spider naevus

small, flat, red skin lesion caused by localized telangiectasia (i.e. arteriole surrounded by radial dilated capillaries)