1. a joint or seam where two parts meet or are joined together
Usage: anatomy; technical
2. a band of nerve tissue connecting corresponding parts on opposite sides of the brain or spinal cord
Usage: anatomy; medical

Examples

• The anterior commissure connects the two hemispheres of the brain.
• The surgeon carefully examined the commissure between the two bone segments.
• Damage to the corpus callosum, the brain’s largest commissure, can affect communication between hemispheres.
• The commissure of the lips is where the upper and lower lips meet at the corner of the mouth.
• Medical students learn about various commissures in neuroanatomy class.
• The posterior commissure plays a role in coordinating eye movements.