accelerator factor
Definition
Noun: A specific coagulation factor (a substance in blood plasma) that is involved in the process of blood clotting, specifically in accelerating the conversion of prothrombin to thrombin.
Usage
This is a technical, medical term used primarily in hematology (the study of blood) and physiology. It refers to a precise biological agent essential for hemostasis (stopping bleeding).
Examples
- A deficiency in the accelerator factor can lead to a bleeding disorder.
- The laboratory test measured the activity of accelerator factor in the patient's plasma.
- Proaccelerin is another name for accelerator factor.
Advanced Usage
- Factor V: In modern medical terminology, "accelerator factor" is most commonly known and referred to as Factor V. This is its standard designation within the coagulation cascade.
- Labile factor: An older, synonymous term for this coagulation factor, referring to its instability when stored.
Variants and Related Words
- Proaccelerin: An alternative name for the inactive precursor form of accelerator factor.
- Accelerin: The activated form of accelerator factor (Factor Va).
Synonyms
- Factor V (the standard clinical term)
- Labile factor (historical term)
- Proaccelerin (precursor form)
Notes on Meaning
This term has a single, highly specific meaning in medical science. It does not have general or figurative uses outside the context of blood coagulation physiology.
Noun
-
a coagulation factor
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