Medical Dictionary
iliocostalis
noun il·io·cos·ta·lis \-käs-ˈtā-ləs\
Medical Definition of ILIOCOSTALIS
: the lateral division of the sacrospinalis muscle that helps to keep the trunk erect and consists of three parts: a : iliocostalis cervicis b : iliocostalis lumborum c : iliocostalis thoracis
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