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 foramen of the facial nerve of the mandibular branch is located right where the otic region starts, ahead of the lateral commissure.
Using this scheme, the aim was to segment nine mid-brain structures including left ventricle, right ventricle, third ventricle, anterior commissure, posterior commissure, left putamen, right putamen, left caudate nucleus and right caudate nucleus.
Carcinoma in situ and T1 glottic carcinomas not involving anterior commissure constitute the most optimal patient group for this technique (8).
We performed radical surgical excision of the lesion, resulting in a full-thickness defect with preservation of only 10% of the lower lip near the left commissure (Fig.
Medical management is advised for mucosal edema, hematomas with intact mucosa coverage, or small glottic lacerations; disruptions of the anterior commissure, multiple displaced cartilage fractures, and larger open lacerations require open laryngeal exploration.
The artery courses in the dense fibrous tissue at the oral commissure and continues along the superior border of the upper lip to the nasal ala.
At the time of death, a small scab lesion remained at the left oral commissure, but no visible tumor regrowth was evident.
The most affected anatomical sites included labial mucosa, tongue edge, hard and soft palates, lip commissure, ventral tongue, uvula, and tonsils, respectively.
Robertson and Roberts (1995) reported that mesaticephalic and dolicocephalic breeds of dogs were more prone to lateral canthal entropion because of restricted mobility of commissure due to presence of tight musculo-fibrous band.
In birds, myxoma can arise from any structure that contains connective tissue, including the cranium, hindlimbs, kidneys, commissure of the beak, and the celomatic cavity (REECE, 1992).