| buttonhole | 1. A short straight cut made through the wall of a cavity or canal. 2. The contraction of an orifice down to a narrow slit; i.e., the so-called mitral buttonhole in extreme mitral stenosis. See: buttonhole stenosis. (05 Mar 2000) |
|---|---|
| buttonhole iridectomy | peripheral iridectomy |
| buttonhole stenosis | Extreme narrowing, usually of the mitral valve. (05 Mar 2000) |