me so sternal

[Pref. me so-; Lat. sternum = the diaphragm (or chest) cartilage; suff. -al.] Anat.: Relating or belonging to the me so sternum. měs-o-ster-num, s. [Pref. me so- , and Lat. ster num, from Gr. stern on the breast-bone.] Anat .: The middle part of that half of the ster num which covers the breast ( Owen ): the ensiform proce of the sternum or breast-bone constituting its sixth segment. In most cases it remains cartilaginous till the age of puberty, and in a few in stances till advanced life. (Quain.)