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Topic: Thrombus


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  Thrombus - Facts, Information, and Encyclopedia Reference article
A thrombus or blood clot is the final product of blood coagulation, through the aggregation of platelets and the activation of the humoral coagulation system.
Thrombus is physiologic in cases of injury, but pathologic in case of thrombosis.
Heparin and warfarin are often used to inhibit the formation and growth of existing blood clots, thereby allowing the body to shrink and dissolve the blood clots through normal methods (see anticoagulant).
www.startsurfing.com /encyclopedia/b/l/o/Blood_clot.html   (149 words)

  
 Aspirin - Wikipedia, the free encyclopedia
It is proposed that endothelial cells lining the arteries in the body express COX-2, and, by selectively inhibiting COX-2, prostaglandins (specifically PGF2) are downregulated with respect to thromboxane levels, as COX-1 in platelets is unaffected.
Thus, the protective anti-coagulative effect of PGF2 is decreased, increasing the risk of thrombus and associated heart attacks and other circulatory problems.
Since platelets have no DNA, they are unable to synthesize new COX once aspirin has irreversibly inhibited the enzyme, rendering them "useless": an important difference with reversible inhibitors.
en.wikipedia.org /wiki/Aspirin   (3682 words)

  
 AllRefer Health - Blood Clots (Clot, Emboli, Thrombi)
A blood clot that forms in a vessel or within the heart and remains there is called a thrombus.
A thrombus that travels from the vessel or heart chamber where it formed to another location in the body is called an embolus, and the disorder, an embolism (for example, pulmonary embolism).
Sometimes a piece of atherosclerotic plaque small pieces of tumor, fat globules, air, amniotic fluid, or other materials can act in the same manner as an embolus.
health.allrefer.com /health/blood-clots-info.html   (370 words)

  
 Cardiovascular System [encyclopedia]   (Site not responding. Last check: 2007-10-23)
The walls of the heart are supplied by the coronary arteries, and drained by the cardiac veins and by venae cordae minimae (small veins draining the deeper layers of myocardium).
A heart attack (myocardial infarction) occurs when part of the coronary arterial supply becomes blocked by a blood clot (thrombus), leading to the cessation of blood flow and death of the myocardium.
In anatomy, the circulatory system or cardiovascular system is the system that circulates blood around the body of humans and many other animals.
www.kosmoi.com /Life/Health/Medicine/Anatomy/Heart   (678 words)

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