Blood clot
Blood clot
A blood clot (pronounced: /blʌd klɒt/) is a mass-like collection of blood that forms when blood changes from a liquid to a semi-solid state.
Etymology
The term "blood clot" is derived from the Old English words "blod" and "clott," meaning "blood" and "lump," respectively.
Definition
A blood clot is a clump of blood that has changed from a liquid state to a gel-like or semi-solid state. Clotting is a necessary process that can prevent you from losing too much blood in certain instances, such as when you're injured or cut. When a blood vessel gets injured, the body uses platelets (thrombocytes) and fibrin to form a clot to prevent blood loss. However, when a clot forms inside one of the veins, it may not dissolve on its own. This can lead to serious health problems.
Related terms
- Thrombosis: The formation or presence of a blood clot in a blood vessel.
- Embolism: A sudden blocking of an artery, usually by a blood clot or air bubble.
- Anticoagulant: A drug that helps prevent blood clots from forming.
- Thrombolytic therapy: Treatment to dissolve dangerous clots in blood vessels, improve blood flow, and prevent damage to tissues and organs.
See also
External links
- Medical encyclopedia article on Blood clot
- Wikipedia's article - Blood clot
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