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Medical Definition of Costal notch
1. One of the notches or facets on the lateral edge of the sternum for articulation with a costal cartilage. Synonym: incisura costalis. (05 Mar 2000)
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1. One of the notches or facets on the lateral edge of the sternum for articulation with a costal cartilage. Synonym: incisura costalis. (05 Mar 2000)