- published: 12 Oct 2012
- views: 22071
A thrombus, or colloquially a blood clot, is the final product of the blood coagulation step in hemostasis. There are two components to a thrombus: aggregated platelets that form a platelet plug, and a mesh of cross-linked fibrin protein. The substance making up a thrombus is sometimes called cruor. A thrombus is a healthy response to injury intended to prevent bleeding, but can be harmful in thrombosis, when clots obstruct blood flow through healthy blood vessels.
Mural thrombi are thrombi that adhere to the wall of a blood vessel. They occur in large vessels such as heart and aorta, and can restrict blood flow but usually do not block it entirely. They appear grey-red with alternating light and dark lines (known as lines of Zahn) which represent bands of fibrin (lighter) with entrapped white blood cells and red blood cells (darker).
Virchow's triad describes the pathogenesis of thrombus formation:
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What are Thrombosis & Embolism? In this video, you travel through the nearly 60,000 miles of vessels in the human body to understand the importance of blood flow, and the dangers of when blood clots form and travel to other parts of the body. Then learn what you can do to avoid or treat this potentially critical condition.
Very unusual thrombus in the left ventricle causing massive peripheral embolism
A brief discussion on Thrombosis. Topics include: - Definition of Thrombosis - Pathogenesis of Thrombosis - Virchow's Triad - Role of Endothelial Injury - Role of Turbulence & Stasis - Role of Hypercoagulabillity - Morphology of Thrombus - Lines of Zahn - Arterial Thrombus - Venous Thrombus - Fate of Thrombus - Difference between Thrombus & Post Mortem Clot Hope it is helpful. - Dr. Rabiul
http://www.handwrittentutorials.com - This tutorial is the first in a series of three on the topic of Haemostasis. This video explores the process of thrombus or clot formation, with a focus on the mechanism of antiplatelet drugs. For more entirely FREE tutorials and the accompanying PDFs visit http://www.handwrittentutorials.com
Another example of the reverse animation technique, showing fibrin forming around a blood clot in a vein, with activated platelets, red blood cells, endothelial cell injury in a blood vessel
Histopathology Artery --Thrombus, Atherosclerotic plaque
http://www.medicaldump.com - Please visit the site for FREE echocardiography material, medical PowerPoints, medical PowerPoint templates, medical e-books related to all specialties including ophthalmology, cardiology, neurology,nephrology, GI, etc. This is an echocardiography collection about Left Atrial Appendage Thrombus. Thanks to Free music by Rickvanman at http://music4yourvids.co.uk/ . I've added his ' Summer Morning' as the background