vasoconstrictive
Học thuậtThân thiện
Definition
Noun: A vasoconstrictive is any substance or agent that causes the narrowing (constriction) of blood vessels. This action increases or maintains blood pressure by reducing the diameter of the vessels, which increases resistance to blood flow.
Usage
The term is used in medical and physiological contexts to describe agents that induce vasoconstriction. It functions as a countable noun.
Examples
Advanced Usage
- As a Modifier: The term can be used adjectivally in compound forms (e.g., , ). However, the standalone target word is a noun.
- The drug's primary vasoconstrictive effect was well-documented.
Variants and Related Words
- Vasoconstriction (n): The process or result of blood vessels narrowing.
- Exposure to cold can trigger vasoconstriction.
- Vasoconstrictor (n): A synonym for vasoconstrictive; any agent that causes vasoconstriction.
- Epinephrine is a potent vasoconstrictor.
- Vasoconstrict (v): To cause the constriction of blood vessels (less common usage).
- These compounds can vasoconstrict the peripheral arteries.
Synonyms
- Vasopressor: An agent that raises blood pressure, often by causing vasoconstriction.
- Pressor agent: A substance that increases blood pressure.
Related Phrases and Terms
- Vasoconstrictive response: The physiological reaction involving the narrowing of blood vessels.
- The patient exhibited a strong vasoconstrictive response to the stimulus.
- Endogenous vasoconstrictive: A vasoconstrictive substance produced naturally within the body (e.g., angiotensin).
- Angiotensin II is a key endogenous vasoconstrictive.
Noun
- any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure