sternum
n. மார்பெலும்பு, விலா எலும்புகளை இணைக்கும் மார்பு நடுவரை எலும்பு.
Ster"num, n.; pl. L. Sterna, E. Sternums. Etym: [NL., from Gr. 1. (Anat.) Defn: A plate of cartilage, or a series of bony or cartilaginous plates or segments, in the median line of the pectoral skeleton of most vertebrates above fishes; the breastbone. Note: The sternum is connected with the ribs or the pectorial girdle, or with both. In man it is a flat bone, broad anteriorly, narrowed behind, and connected with the clavicles and the cartilages of the seven anterior pairs of ribs. In most birds it has a high median keel for the attachment of the muscles of the wings. 2. (Zoöl.) Defn: The ventral part of any one of the somites of an arthropod.