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 ) ( see commissary) + -ūra -ure

Example Sentences

However, according to a study that was performed ten years later, the size of the anterior commissure is not affected by sexual orientation.

From Scientific American • Oct. 20, 2012

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 • Oct. 20, 2012

And the French police commissure for Vinh took a liking to the brilliant, angry young Giap, got him out of prison, and sent him off to one of the best French schools in Indo-China.

From Time Magazine Archive

Further, several instances are on record in which agraphia has followed destruction of the commissure between the visual speech centre and the graphic centre.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

Goubeaux and Barrier add: ‘Or to the commissure of the lips.’

From Artistic Anatomy of Animals by Cuyer, ?douard