Venous lakes

From Biology-Online Dictionary | Biology-Online Dictionary

venous lakes

thin-walled collections of blood, resembling blood blisters, found commonly in the ears and less often on the lips and on the face and neck of elderly sun-damaged men, discontinuous venous cavities or channels; cf.: marginal sinuses of placenta.

In skull radiography, round to oval radiolucent foci in the frontal or parietal bones caused by dilated diploic venous channels.