Medical Definition of Musculus triangularis sterni
1.
Origin, dorsal surface of xiphoid cartilage and lower portion of dorsal surface of body of sternum; insertion, second to sixth costal cartilages; action, contributes to depression of ribs, narrowing chest; nerve supply, intercostal.
Synonym: musculus transversus thoracis, musculus triangularis sterni, sternocostalis muscle, transverse muscle of thorax.
(05 Mar 2000)
Lexicographical Neighbors of Musculus Triangularis Sterni
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