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.

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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

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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