constrict

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constrict

V.
1. To narrow or make smaller, to shrink or contract.
2. To squeeze or compress.
References in periodicals archive ?
When the baroreceptors sense low blood pressure, they generate signals that cause nerves of the autonomic nervous system to speed up heart rate and constrict blood vessels.
Nicotine in cigarette smoke also constricts blood vessels near the skin's surface.
The company's emphasis on less proven proprietary concepts, high projected growth rates, and negative free cash flow constricts upside rating potential over the next few years, Standard & Poor's said.
2], a fatty-acid derivative that constricts blood vessels -- including those in the placenta, which deliver nourishing blood to the fetus.
The disposable cutter constricts the cord in both places to prevent loss of blood and body fluids, severing it in one simple motion while the clamp attached to the cord closest to the baby remains in place for 48 to 78 hours until dry.
The sympathetic nervous system senses the body's water loss and releases norepinephrine, a neurotransmitter that constricts blood vessels, thereby maintaining blood pressure.
While no one knows for certain what causes migraines, one theory contends blood platelets cause the headaches when they release abnormal amounts of serotonin, a compound that constricts blood vessels.
Lund of the University of Pittsburgh School of Medicine looked at one of the simplest neural pathways in rats--the visual reflex, whereby the eye's pupil constricts in response to light.