Coagulation factor
Coagulation Factor
Coagulation factor (pronunciation: koh-ag-yuh-ley-shuhn fak-ter), also known as clotting factor, is a type of protein in the blood that is part of the coagulation process. This process is responsible for the formation of blood clots, which prevent excessive bleeding when a blood vessel is injured.
Etymology
The term "coagulation" comes from the Latin word "coagulare", which means "to curdle". "Factor" is derived from the Latin "facere", meaning "to make" or "to do".
Types of Coagulation Factors
There are several types of coagulation factors, each with a specific role in the coagulation process. These include:
- Factor I (Fibrinogen)
- Factor II (Prothrombin)
- Factor III (Tissue Factor)
- Factor IV (Calcium)
- Factor V (Proaccelerin)
- Factor VII (Proconvertin)
- Factor VIII (Antihemophilic factor)
- Factor IX (Christmas factor)
- Factor X (Stuart-Prower factor)
- Factor XI (Plasma Thromboplastin Antecedent)
- Factor XII (Hageman factor)
- Factor XIII (Fibrin-stabilizing factor)
Each of these factors is a protein produced by the liver, with the exception of Factor III, which is produced by cells in the blood vessel walls.
Related Terms
- Hemostasis: The process of stopping bleeding.
- Thrombosis: The formation of a blood clot inside a blood vessel, obstructing the flow of blood.
- Hemophilia: A group of genetic disorders that result in poor blood clotting.
- Anticoagulant: A substance that prevents coagulation, thus prolonging the clotting time.
External links
- Medical encyclopedia article on Coagulation factor
- Wikipedia's article - Coagulation factor
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