"breastbone," 1660s, from Greek sternon "chest, breast, breastbone" (in Homer, only of males), also "the breast as the seat of affections," related to stornynai "to spread out," from PIE *ster-no- "to stretch, extend," from root *stere-, *ster- "to spread," related to stornynai "to spread out" (see structure (n.)), on the notion of the chest as broad and flat, as opposed to the neck. Related: Sternal.
例文
1. There is little available musculature to suture anterior to the sternum .
胸骨の前で縫合できる筋肉はわずかしかない.
2.A bony process projecting from the scapula toward the sternum in mammals.
肩突起哺乳動物肩板から胸骨に向かって突出している''.'の'.''骨''.'.'突起'.''.
3.Floating ribs are not connected with the sternum .
浮遊リブは胸骨と結合していない.
4.Need takes the examination such as sternum further.