Word parts
sten/o narrow-osis condition
What it means
An abnormal tightening of a tube or opening. Aortic stenosis is a stiff, narrowed heart valve; carotid artery stenosis is plaque narrowing the neck arteries; spinal stenosis is narrowing of the canal that holds the spinal cord; and pyloric stenosis is thickened muscle at the stomach outlet in young babies.
At a glance
| Spanish | estenosis |
|---|---|
| Also written | stenoses, stenotic |
Related terms
-osis
A word ending that means an abnormal condition or process, or an increase.
atherosclerosis
A buildup of fatty deposits (plaque) inside the walls of the arteries.
lumen
The open space inside a tube, such as a blood vessel, the intestine or a catheter.
obstruction
A blockage in a passage of the body, such as an airway, the bowel, a blood vessel or a tube.
peripheral vascular disease
Disease of the blood vessels outside the heart and brain, most often narrowed arteries or damaged veins in the legs.