transversus thoracis (muscle)(redirected from transverse muscle of thorax)
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Related to transverse muscle of thorax: Transverse thoracic muscles
trans·ver·sus tho·ra·cis (mus·cle)[TA]
internal muscle of thorax; origin, dorsal surface of xiphoid process 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.