Medical Dictionary

semispinalis

noun semi·spi·na·lis \ -ˌspī-ˈnā-ləs \

medical Definition of semispinalis

plural semispinales play \-ˌlēz\
:any of three muscles of the cervical and thoracic parts of the spinal column that arise from transverse processes of the vertebrae and pass to spinous processes higher up and that help to form a layer underneath the sacrospinalis muscle:

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