See Also: sternum(medicine)
Sternum(health)
sternum(dictionary)
sternum(dictionary)
body of sternum(medicine)
manubrium of sternum(medicine)
Sternum (breastbone)(health)
clavicular notch of sternum(medicine)

sternum (iou)



sternum noun. , -nums. M17.
[mod. Latin from Greek sternon chest, breast.]
Anatomy & Zoology.
The breastbone; a long bone or cartilage, or series of bones, present in most vertebrates, extending along the midline of the front or ventral aspect of the thorax, usu. articulating with some of the ribs, and in most birds extended ventrally into a large keel. M17.
In arthropods, a sclerotized region forming the ventral part of each segment of the body. Cf. PLEURON, TERGUM. M19.