|1.||a band of tissue linking two parts or organs, such as the nervous tissue connecting the right and left sides of the brain in vertebrates|
|2.||any of various joints between parts, as between the carpels, leaf lobes, etc, of a plant|
|[C15: from Latin commissūra a joining together, from committere|
commissure com·mis·sure (kŏm'ə-shur')
A tract of nerve fibers passing from one side to the other of the spinal cord or brain.
The point, angle, or surface where two parts, such as the eyelids, lips, or cardiac valves, join or connect.