What it means
The act of becoming narrower or squeezing tight. Vasoconstriction is the narrowing of blood vessels, which raises blood pressure and reduces blood flow to the skin. Pupil constriction is the pupil getting smaller in bright light. Bronchoconstriction is the tightening of the airways in asthma. A client may also describe chest tightness as a feeling of constriction.
At a glance
| Also written | constricted, constrict |
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Related terms
wheezing
A high-pitched, whistling sound made as air moves through narrowed airways.
vasoconstriction
The narrowing of blood vessels when the muscle in their walls tightens.
vasodilator
A drug that widens blood vessels by relaxing the muscle in their walls.