Definition, Meaning & Synonyms

commissure

noun

/ˌkɒmɪˈsjʊr/

Definition

A commissure is a term that refers to a point where two or more structures meet or join together. In anatomy, it often refers to the connection between nerves or pathways in the brain and spinal cord.

Examples

The commissure between the two hemispheres of the brain is known as the corpus callosum.
In the heart, the commissure connects the various valves.

Meaning

The term is derived from Latin, where ‘commissura’ means ‘a joining together.’ In a broader context, a commissure can relate to any joining of anatomical structures in the body.