factor VII
Definition
Noun: 1. A coagulation factor formed in the kidney under the influence of vitamin K: Factor VII is a specific protein in the blood plasma that is essential for the normal clotting of blood. It is part of the coagulation cascade, a series of chemical reactions that stop bleeding.
Usage
Factor VII is used as a singular noun, typically in medical and biological contexts. It is often preceded by the definite article "the" or "Factor" with a capital 'F'. - The doctor ordered a test to measure the patient's factor VII level. - Factor VII deficiency is a rare bleeding disorder. - The medication is a recombinant form of Factor VII.
Advanced Usage
- Activated Factor VII (Factor VIIa): This is the enzymatically active form of the protein, used therapeutically to control bleeding in certain situations.
- The surgeon administered activated Factor VII to help control the hemorrhage.
Variants and Related Words
- Proconvertin: An older, alternative name for Factor VII.
- Stable factor: Another historical synonym for Factor VII.
- Coagulation factor: The general category of proteins to which Factor VII belongs.
- Serine protease: The class of enzymes that includes activated Factor VII (Factor VIIa).
Synonyms
- Proconvertin
- Stable factor (These are historical/alternate names, not direct synonyms in modern standard terminology.)
Related Phrases and Concepts
- Factor VII deficiency: A hereditary bleeding disorder caused by a lack of functional Factor VII.
- Coagulation cascade: The sequential process of blood clotting in which Factor VII plays a key initiating role in the extrinsic pathway.
- Vitamin K-dependent clotting factor: Factor VII is one of several clotting factors whose synthesis in the liver requires vitamin K.
Noun
-
a coagulation factor formed in the kidney under the influence of vitamin K
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