human_reference_atlas Homo sapiens chest muscle subcostal muscle UBERON:0008618 SCTID:244914005 subcostal muscle The Subcostales (Infracostales) consist of muscular and aponeurotic fasciculi, which are usually well-developed only in the lower part of the thorax; each originates from the inner surface of one rib, and is inserted into the inner surface of the second or third rib above, near its angle. Their fibers run in the same direction as those of the Intercostales interni. subcostalis subcostal muscle subcostales muscles subcostales muscle AS Wikipedia:Subcostalis_muscle FMA:9759 musculus subcostalis subcostales uberon subcostal muscles thoracic wall muscle