interspinales muscles

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in·ter·spi·na·les mus·cles

(in'tĕr-spī-nā'lēz mŭs'ĕlz)
The paired muscles between spinous processes of adjacent vertebrae; subdivided into cervical, thoracic, and lumbar muscles.
Synonym(s): musculi interspinales [TA] , interspinal muscles.