intersphincteric en · ADJ
Etymology
From inter- + sphincteric.
Meanings
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(not-comparable) Between the internal and external sphincters.
On the contrary, the intersphincteric resections which is a procedure conducted in the intersphincteric plane with the resection of the internal sphincteric muscle will produce a "voluntary muscularis propria plane".
2012, Rudolf Schiessel, Peter Metzger, Intersphincteric Resection for Low Rectal Tumors, →ISBN, page 6:Many physicians fail to diagnose an intersphincteric abscess until the abscess ruptures into the ischiorectal space and forms an ischiorectal abscess.
2010, Carol E.H. Scott-Conner, Chassin's Operative Strategy in Colon and Rectal Surgery, →ISBN, page 246:Two landmarks are of particular importance to the surgeon: (1) The palpable rather than visible intersphincteric groove, which defines the plane separating the involuntary internal sphincter from the voluntary external sphincter, and (2) the dentate line, which is defined by the columns of Morgani.
2010, Peter Reimer, Paul M. Parizel, James F.M. Meaney, Clinical MR Imaging: A Practical Approach, →ISBN, page 475: