buttonhole

buttonhole definition - medical

but·ton·hole (bŭtˈn-hōlˌ)

noun
  1. A short straight surgical cut made through the wall of a cavity or canal.
  2. The contraction of an orifice down to a narrow slit, as in mitral stenosis.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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