constriction

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constriction

Genetics a localized narrow region of a chromosome, esp at the centromere

constriction

[kən′strik·shən]
(medicine)
(science and technology)
Narrowing of a channel or cylindrical member.
References in periodicals archive ?
This outpatient procedure looks to reduce asthma symptoms by targeting the muscle that constricts during an asthma attack.
It can constrict, tighten and narrow the airway considerably causing real health consequences for asthmatics.
The smooth muscle in your airway serves no known positive purpose, but in asthma patients it can constrict, tighten, and narrow the airway considerably.
During Bronchial Thermoplasty,(TM), an outpatient bronchoscopic procedure, physicians will use the Alair(R) System to go into the airways with a flexible bronchoscope through the nose or the mouth and deliver thermal energy to the airway wall, in an effort to reduce the presence of airway smooth muscle and thereby reduce the ability of treated airways to constrict.
The researchers suggest that seismic vibrations may have shaken loose some of the mineral deposits that normally constrict the geysers' subterranean plumbing, thereby changing their flow rates.
As a result of stress, our blood vessels constrict,'' explains Boris Prilutsky, director and senior instructor of the Institute of Professional Practical Therapy, an L.
During Bronchial Thermoplasty(tm), an outpatient bronchoscopic procedure, physicians will use the Alair(R) System to go into the airways with a flexible bronchoscope through the nose or the mouth and deliver thermal energy to the airway walls in an effort to reduce the presence of airway smooth muscle, and thereby reduce the ability of treated airways to constrict.
We're not going to constrict kids from going out (on trips); we're just going to manage it more properly,'' said Jim Kalember, the board's vice president.
Unlike migraine drugs that constrict blood vessels, BIBN 4096 BS doesn't seem to affect blood vessels in the heart or elsewhere outside the brain, says Paul L.
This small protein, produced in healthy lungs, ordinarily prompts blood vessels to constrict to maintain proper blood pressure.
Using an infrared video camera to film the eyes of both groups of children underwater, the investigators found that Moken kids constrict their pupils while European children don't.
Over-the-counter nasal sprays constrict the blood vessels in your nose, which provides an immediate passage for air.