A narrowing or stricture of an opening.
A condition in which a passage becomes narrow.
Abnormal narrowing of a passageway in the body, as between two organs in the digestive system, often requiring surgery.
Abnormal narrowing or constriction of a passageway or opening, as in aortic stenosis.
The abnormal narrowing of a passage or opening, such as a blood vessel or heart valve.
An unnatural narrowing in any passage or orifice of the body. The word is especially used in connection with the four openings of the heart at which the valves are situated.
The constriction or narrowing of a passage or orifice.
A condition characterized by the reduction or constriction of the diameter of a passageway or an opening, such as a blood vessel.
Tightening or reduction in size, particularly of a passage or opening.