Medical Definition of Musculus infracostalis
1.
One of a number of 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: musculus subcostalis, musculus infracostalis.
(05 Mar 2000)
Lexicographical Neighbors of Musculus Infracostalis
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