narrowing


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narrowing

Decreasing the width or diameter of some space or channel (e.g., narrowing of the size of the coronary arteries), usually due to some pathological process.
References in periodicals archive ?
Also, structural deformities of the involved vertebrae can cause narrowing of the spinal canal, producing a variety of neurological symptoms.
Ultrasound scans were used to measure their levels of artery narrowing at the start of the study and four years later.
But none remedies the underlying problem--the narrowing of the artery--that sets the stage for a clot.