commissure

[ kom-uh-shoor, -shur ]

noun

1. a joint; seam; suture.
2. Botany. the joint or face by which one carpel coheres with another.
3. Anatomy, Zoology. a connecting band of nerve fiber, especially one joining the right and left sides of the brain or spinal cord.

commissure

/ kəˈmɪsjʊrəl; ˈkɒmɪˌsjʊə; ˌkɒmɪˈsjʊərəl /

noun

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

Derived Forms

• commissural, adjective

Other Words From

• com·mis·su·ral [k, uh, -, mish, -er-, uh, l, kom-, uh, -, shoor, -, uh, l, -, shur, -], adjective
• inter·com·missur·al adjective
• pseudo·com·missu·ral adjective

Word History and Origins

Origin of commissure¹

1375–1425; late Middle English (< Middle French ) < Latin commissūra, equivalent to commiss ( us ) ( commissary ) + -ūra -ure

Word History and Origins

Origin of commissure¹

C15: from Latin commissūra a joining together, from committere commit

Example Sentences

Owing to the presence of the commissure connecting the posterior roots, some part of a nerve is present in every section.

From Project Gutenberg

The lower commissure continued as the intestinal nerve is shewn in Pl.

From Project Gutenberg

The dorsal commissure is represented in longitudinal section in Pl.

From Project Gutenberg

I have not been able to prove that the commissure is continued forwards into the auditory nerve.

From Project Gutenberg

Very possibly they originate as a single commissure which becomes longitudinally segmented.

From Project Gutenberg