commissure

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com·mis·sure

 (kŏm′ə-sho͝or′)
n.
1. A line or place at which two things are joined.
2. Anatomy
a. A tract of nerve fibers passing from one side to the other of the spinal cord or brain.
b. The point or surface where two parts, such as the eyelids, lips, or cardiac valves, join or form a connection.
3. Botany The surface or place along which two structures, such as carpels, are joined.

[Middle English, from Latin commissūra, from commissus, past participle of committere, to join; see commit.]

com′mis·su′ral adj.

commissure

(ˈkɒmɪˌsjʊə)
n
1. (Biology) 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. (Biology) any of various joints between parts, as between the carpels, leaf lobes, etc, of a plant
[C15: from Latin commissūra a joining together, from committere commit]
commissural adj

com•mis•sure

(ˈkɒm əˌʃʊər, -ˌʃɜr)

n.
1. a joint or seam where two parts meet, as in a bone.
2. a connecting bundle of nerve fibers, esp. one joining the right and left sides of the brain.
[1375–1425; late Middle English (< Middle French) < Latin commissūra=commiss(us) (see commissary) + -ūra -ure]
com•mis•su•ral (kəˈmɪʃ ər əl, ˌkɒm əˈʃʊər əl, -ˈʃɜr-) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.commissure - a bundle of nerve fibers passing from one side to the other of the brain or spinal cord
nerve pathway, nerve tract, pathway, tract - a bundle of myelinated nerve fibers following a path through the brain
corpus callosum - a broad transverse nerve tract connecting the two cerebral hemispheres
Translations

com·mis·sure

n. comisura, punto de unión de estructuras tal como la unión de los labios.
References in periodicals archive ?
The ascending aorta was transversely sectioned approximately 1 cm above the commissures of aortic leaflets.
Copeland's Modification of Bentall: The diseased aortic wall was removed leaving behind a 3-4 mm cuff of aortic wall proximally above the valve commissures (figure).
When choosing among these techniques, one must consider the size of the defect, the availability of adjacent tissue, and involvement of the commissures.
It can present as beefy red erythematous plaques on the buttocks, lower abdomen, thighs, or in intertriginous areas or oral commissures.
Improvements in lip fullness, perioral lines, and oral commissures for Volbella were statistically significant at 6 and 12 months.
Every time the available skin edges were secured by suturing after debriding the partly necrosed tissue at lateral commissures which resulted in slight deviation of rostral part of face (Fig.
Although the commissures move up and laterally in smiling, studies have shown a difference in the amount and direction of movement between the right and left sides.
Line Location A Lateral aspects of upper anterior portion of the arms extending over the pectoral area B Posteromedial portion of the lower limbs, extending from the perineum to the ankles C Hypopigmented lines in pre- and parasternal areas D Posteromedial area of the spine E Bilateral hypopigmented bands on the chest in the zone between the mid-third of the clavicle and the periareolar skin F V-shaped patch on the lateral cheeks G W-shaped patch on the lateral cheeks H Linear bands extending from the oral commissures to the lateral aspects of the chin
The ascending aorta was transversally sectioned approximately 2 cm above the commissures of the aortic leaflets.
Well-concentrated, connectives and commissures indistinct; total nerve ring volume ~1/20 of haemocoel.
In anamniotes, the prosencephalon contains an array of tracts and commissures, such as the anterior commissure (AC), supraoptic commissure (SOT), postoptic commissure (POC), and tract of the postoptic commissure (TPOC).