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commissure

play
noun com·mis·sure \ˈkä-mə-ˌshu̇r\

Definition of commissure

  1. 1 :  a point or line of union or junction especially between two anatomical parts (as adjacent heart valves)

  2. 2 :  a connecting band of nerve tissue in the brain or spinal cord

commissural play \ˌkä-mə-ˈshu̇r-əl\ adjective


Origin of commissure

Middle English, from Middle French or Latin; Middle French, from Latin commissura a joining, from commissus, past participle


First Known Use: 15th century


Medical Dictionary

commissure

play
noun com·mis·sure \ˈkäm-ə-ˌshu̇(ə)r\

Medical Definition of commissure

  1. 1:  a point or line of union or junction between two anatomical parts (as the lips at their angles or adjacent heart valves)

  2. 2:  a connecting band of nerve tissue in the brain or spinal cord—see anterior commissure, corpus callosum, gray commissure, habenular commissure, hippocampal commissure, posterior commissure; compare massa intermedia

com·mis·su·ral \ˌkäm-ə-ˈshu̇r-əl\play adjective



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