thrombus
nounA fibrinous clot formed in a blood vessel or chamber of the heart.
nounIn pathology: A small tumor which sometimes arises after bleeding, owing to escape of the blood from the vein into the cellular structure surrounding it, and its coagulation there.
nounA fibrinous coagulum or clot which forms in and obstructs a blood-vessel.
nounA clot of blood formed of a passage of a vessel and remaining at the site of coagulation.
nounA tumor produced by the escape of blood into the subcutaneous cellular tissue.
nounA
a blood clot formed within a blood vessel and remaining attached to its place of origin