Thrombus

[θrɒmbәs]

(noun.) a blood clot formed within a blood vessel and remaining attached to its place of origin.

Inputed by Carmela--From WordNet

(n.) A clot of blood formed of a passage of a vessel and remaining at the site of coagulation.

(n.) A tumor produced by the escape of blood into the subcutaneous cellular tissue.

Typist: Sophie