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sternocostal

American  
[stur-noh-kos-tl, -kaw-stl] / ˌstɜr noʊˈkɒs tl, -ˈkɔ stl /

adjective

Anatomy, Zoology.
  1. of, relating to, or situated between the sternum and ribs.


Etymology

Origin of sternocostal

First recorded in 1775–85; sterno- + costal