a joint; seam; suture.
Botany. the joint or face by which one carpel coheres with another.
Anatomy, Zoology. a connecting band of nerve fiber, especially one joining the right and left sides of the brain or spinal cord.
- com·mis·su·ral [kuh-mish-er-uhl, kom-uh-shoor-uhl, -shur-], /kəˈmɪʃ ər əl, ˌkɒm əˈʃʊər əl, -ˈʃɜr-/, adjective
- in·ter·com·mis·sur·al, adjective
- pseu·do·com·mis·su·ral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use commissure in a sentence
Owing to the presence of the commissure connecting the posterior roots, some part of a nerve is present in every section.
The lower commissure continued as the intestinal nerve is shewn in Pl.
The dorsal commissure is represented in longitudinal section in Pl.
I have not been able to prove that the commissure is continued forwards into the auditory nerve.
Very possibly they originate as a single commissure which becomes longitudinally segmented.
British Dictionary definitions for commissure
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
any of various joints between parts, as between the carpels, leaf lobes, etc, of a plant
- commissural (kəˈmɪsjʊrəl, ˌkɒmɪˈsjʊərəl), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012