Sternum

stėr′num, n. the breast-bone.— adj. Ster′nal .— n. Sternal′gia , pain about the breast-bone, esp. angina pectoris.— adjs. Sternal′gic ; Ster′nebral , pertaining to the Ster′nebra or serial segments of which the sternum of a vertebrate is composed.— n. Ster′nite , the ventral portion of the somite of an arthropod.— adjs. Sternit′ic ; Sternocost′al , pertaining to, or connected with, the sternum and ribs: denoting those ribs and muscles attached to the sternum. [Gr. stern on , chest.]