thrombus
[throm´bus] a stationary blood
clot along the wall of a blood vessel, frequently causing vascular obstruction. Some authorities differentiate thrombus formation from simple coagulation or clot formation. See also
embolus.

Sites of thrombus formation. From Damjanov, 1996.
mural thrombus one attached to the wall of the heart adjacent to an area of diseased endocardium, or to the aortic wall overlying an intimal lesion. See also
parietal thrombus.
occluding thrombus one that occupies the entire lumen of a vessel and obstructs blood flow.
parietal thrombus one attached to a vessel or heart wall; see also
mural thrombus.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.