Stenosis

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Stenosis \Ste*no"sis\, n. [NL., fr. Gr. steno`s 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.


     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  stenosis
       n : abnormal narrowing of a bodily canal or passageway [syn: {stricture}]
       [also: {stenoses} (pl)]