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commissure

[kom-uh-shoo r, -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.
Origin
late Middle English
1375-1425
1375-1425; late Middle English (< Middle French) < Latin commissūra, equivalent to commiss(us) (see commissary) + -ūra -ure
Related forms
commissural
[kuh-mish-er-uh l, kom-uh-shoo r-uh l, -shur-] /kəˈmɪʃ ər əl, ˌkɒm əˈʃʊər əl, -ˈʃɜr-/ (Show IPA),
adjective
intercommissural, adjective
pseudocommissural, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for intercommissural

commissure

/ˈkɒmɪˌsjʊə/
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 (kəˈmɪsjʊrəl; ˌkɒmɪˈsjʊərəl) adjective
Word Origin
C15: from Latin commissūra a joining together, from committerecommit
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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intercommissural in Medicine

commissure com·mis·sure (kŏm'ə-shur')
n.

  1. A line or place at which two things are joined.

  2. A tract of nerve fibers passing from one side to the other of the spinal cord or brain.

  3. The point, angle, or surface where two parts, such as the eyelids, lips, or cardiac valves, join or connect.


com'mis·su'ral adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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