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单词 commissure
释义

Definition of commissure in English:

commissure

noun ˈkɒmɪsjʊəˈkɑməˌʃʊr
Anatomy
  • 1The joint between two bones.

    Example sentencesExamples
    • One of the planes of fracture, however, provides a cross section perpendicular to the hinge line and plane of commissure that passes through both ligament areas.
    • Maximum width at hinge line, with lateral commissures almost perpendicular.
    • Opposing this hinge axis is the ventral commissure.
    Synonyms
    join, junction, juncture, intersection, link, linkage, connection, nexus
  • 2A band of nerve tissue connecting the hemispheres of the brain, the two sides of the spinal cord, etc.

    Example sentencesExamples
    • The column of the fornix has been divided a short distance above the anterior commissure.
    • The latter intersects various projection and commissural fibers, including those crossing to the opposite hemisphere in the anterior commissure.
    • Portions of the cerebral commissures, which link the left and right hemispheres, appear to be larger in women, and their brains may function in a less lopsided manner than men's.
    • The lateral part of the anterior commissure traverses the inferior part of the brain.
    Synonyms
    join, joint, intersection, link, bond, weld, seam, coupling, connection, union, juncture
  • 3The line where the upper and lower lips or eyelids meet.

    Example sentencesExamples
    • The scratch is minor, but right above the lateral commissure.

Derivatives

  • commissural

  • adjective ˌkɒmɪˈsjʊər(ə)l
    Anatomy
    • In the spinal cord, commissural neurons, whose axons cross the midline and link the two sides of the cord, develop in the dorsal region.
      Example sentencesExamples
      • The latter intersects various projection and commissural fibers, including those crossing to the opposite hemisphere in the anterior commissure.
      • An examination of the line revealed defects in a commissural pathway of neurons.

Origin

Late Middle English: from Latin commissura 'junction', from committere 'join' (see commit).

 
 

Definition of commissure in US English:

commissure

nounˈkäməˌSHo͝orˈkɑməˌʃʊr
Anatomy
  • 1The joint between two bones.

    Example sentencesExamples
    • Maximum width at hinge line, with lateral commissures almost perpendicular.
    • One of the planes of fracture, however, provides a cross section perpendicular to the hinge line and plane of commissure that passes through both ligament areas.
    • Opposing this hinge axis is the ventral commissure.
    Synonyms
    join, junction, juncture, intersection, link, linkage, connection, nexus
  • 2A band of nerve tissue connecting the hemispheres of the brain, the two sides of the spinal cord, etc.

    Example sentencesExamples
    • The column of the fornix has been divided a short distance above the anterior commissure.
    • Portions of the cerebral commissures, which link the left and right hemispheres, appear to be larger in women, and their brains may function in a less lopsided manner than men's.
    • The lateral part of the anterior commissure traverses the inferior part of the brain.
    • The latter intersects various projection and commissural fibers, including those crossing to the opposite hemisphere in the anterior commissure.
    Synonyms
    join, joint, intersection, link, bond, weld, seam, coupling, connection, union, juncture
  • 3The line where the upper and lower lips or eyelids meet.

    Example sentencesExamples
    • The scratch is minor, but right above the lateral commissure.

Origin

Late Middle English: from Latin commissura ‘junction’, from committere ‘join’ (see commit).

 
 
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更新时间:2025/1/27 5:10:56