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Hemostasis: Difference between revisions
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== Process == | == Process == | ||
[[File:Hemostasis Process.jpg|left|thumb|250px|It shows the process of hemostasis]] | [[File:Hemostasis Process.jpg|left|thumb|250px|It shows the process of hemostasis]] | ||
Hemostasis is composed of four major processes in a set order. '''Vascular constriction''' is the first step of hemostasis. It stops the blood flow to the area that is injured. When a person gets injured, Vascular | Hemostasis is composed of four major processes in a set order. '''Vascular constriction''' is the first step of hemostasis. It stops the blood flow to the area that is injured. When a person gets injured, Vascular constriction occurs to prevent excessive bleeding. After vascular constriction, thrombin activates platelets and they aggregate at the site of the injury, and loose platelet fibrogen. After thrombin activates platelets, the clot forms and entraps the plug. '''White thrombus''' is present when the plug contains only platelets; a '''red thrombus''' is present when red blood cells are present. Finally, the process proceed the last step, [[tissue repair]]. the clot is dissolved in normal blood flow. The clot is dissolved through the action of plasmin. <ref>[http://themedicalbiochemistrypage.org/blood-coagulation.html The Medical Biochemistry] Michael W. King, Ph.D, IU School of Medicine, February 24, 2011.</ref> | ||
== Blood Clotting == | == Blood Clotting == | ||
