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Small blood clots—say, dime- or nickel-sized on your heaviest flow days—may appear during menstruation and that’s not uncommon, especially if you feel fine otherwise and you’re not ...
Coagulation, also known as clotting, is the process by which blood changes from a liquid to a gel, forming a blood clot. It results in hemostasis , the cessation of blood loss from a damaged vessel, followed by repair.
However, during hemostasis, coagulation is desired. As such, the platelets in the plasma must be alerted to the need for a plug formation. [citation needed] Any discontinuity detected in the vascular endothelium triggers an automatic response in the clotting system, which in turns stimulates thrombin production. [3]
A thrombus (pl. thrombi), colloquially called a blood clot, is the final product of the blood coagulation step in hemostasis.There are two components to a thrombus: aggregated platelets and red blood cells that form a plug, and a mesh of cross-linked fibrin protein.
Diagram illustrating how the uterus lining builds up and breaks down during the menstrual cycle Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is characterized by the rise and fall of hormones. Menstruation is triggered by falling progesterone ...
Thus, a fibrin mesh is produced all around the platelet plug to hold it in place; this step is called secondary hemostasis. During this process some red and white blood cells are trapped in the mesh which causes the primary hemostasis plug to become harder: the resultant plug is called a thrombus or blood clot. The blood clot contains the ...
Alternatively, arterial occlusion occurs as a consequence of embolism of blood clots originating from the heart ("cardiogenic" emboli). The most common cause is atrial fibrillation, which causes a blood stasis within the atria with easy thrombus formation, but blood clots can develop inside the heart for other reasons too as infective endocarditis.
Image credits: Sasha Weilbaker #4 Wind Blades. Humpback Whales are one of the largest weighing animals of the world, yet they are profound swimmers, which attributes down to its flippers (fins).