Transmural denotes something across a wall or other equivalent: ...
Through any wall, as of the body or of a cyst or any hollow structure. ... Origin: trans-+ L. Murus, wall ... (05 Mar 2000) ... 
(trans-mu´rәl) through the wall of an organ; extending through or affecting the entire thickness of the wall of an organ or cavity.
Type: Term Pronunciation: trans-myū′răl Definitions: 1. Through any wall, as of the body or of a cyst or any hollow structure.