Medical Dictionary

interspinalis

play play
noun in·ter·spi·na·lis \ˌint-ər-ˌspī-ˈnal-əs, -ˈnā-ləs\

Medical Definition of interspinalis

plural

interspinales

\-ˌlēz\play
  1. :  any of various short muscles that have their origin on the superior surface of the spinous process of one vertebra and their insertion on the inferior surface of the contiguous vertebra above


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a dividing ridge between drainage areas

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