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Medical Term:

subcostal muscle


Definition: one of several inconstant muscles of the posterolateral thoracic wall having the same direction as the internal intercostal muscles but extending across (deep to) one or more ribs.

Synonym(s): musculus subcostalisTA, subcostalesTA, musculus infracostalis

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.