spider naevus

(redirected from Spider naevi)
Also found in: Dictionary, Thesaurus.
Related to Spider naevi: Palmar erythema

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.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive ?
Put a ballpoint pen on the centre of the vein and if it disappears it is a spider naevi.
ATHESE red marks sound very like spider naevi, small collections of blood vessels resembling a spider.
Chronic Liver Disease can give rise to numerous extrahepatic disorders among which skin disease occupy a central place Jaundice, xerosis, pruritis, pigmentary changes, loss of pubic and axillary hairs, leuconychia, spider naevi, telangiectasias, striae distensae with dilated veins on abdomen, palmar erythema all are recognized sequelae of liver disease (12, 14).
Is this anything to worry about?Dr Miriam says: These red marks on the face are called spider naevi and extremely common in pregnancy due to the fact that there's a lot more blood circulating round your body.
Liver spots, on the other hand, are bright red, sometimes called spider naevi because they have a central red spot with tiny capillaries radiating outwards.