sternum defined in 1951 yearsternum - sternum;
sternum - (1) Breast bone. Bone of terrestrial vertebrates (tetrapods) in the middle of the ventral side of the chest, to which the ventral ends of most of the ribs are attached. At its anterior end attached to shoulder girdle. (2) Of insects, cuticle on ventral side of each segment, often forming a thickened plate.
near sternum in Knolik
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