Here you will find one or more explanations in English for the word Stenosis.
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Stenosis
Stenosis Ste*no"sis, n. [NL., fr. Gr. ? narrow.] (Med.)
A narrowing of the opening or hollow of any passage, tube, or
orifice; as, stenosis of the pylorus. It differs from
stricture in being applied especially to diffused rather than
localized contractions, and in always indicating an origin
organic and not spasmodic.
Meaning of Stenosis from wikipedia