commissure

American  

[kom-uh-shoor, -shur] / ˈkɒm əˌʃʊər, -ˌʃɜr /

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 British  

/ 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

---

Other Word Forms

• commissural adjective
• intercommissural adjective
• pseudocommissural adjective

Etymology

Origin of commissure

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

Example Sentences

A 1992 study showed that the anterior commissure, a smaller connection between the brain’s two hemispheres, is larger in homosexual men than in straight men.

From Scientific American

Fruit usually globose, with all the ribs conspicuously winged; oil-tubes one to several in the intervals, 2–8 on the commissure.

From Project Gutenberg

Nerve fibres have been traced—from the pineal organ into the posterior commissure and possibly into the right habenular ganglion.

From Project Gutenberg

When it contracts, it draws upwards the labial commissure.

From Project Gutenberg

Just within the upper or anterior commissure, formed by the junction of these lips, a little round oblong body is situated.

From Project Gutenberg