commissure
Anatomical term for a band of nerve fibers connecting corresponding parts of the two sides of the brain or spinal cord.
The corpus callosum is one of the commissures connecting the left and right cerebral hemispheres.
noun-modifying (irregular)
commissural
Prenominal adjectival form used in anatomical contexts, e.g., 交連線維 (commissural fibers).
Commissural fibers are bundles of nerve fibers connecting the left and right cerebral hemispheres.