primary ossification center

primary ossification center

[TA] the first site where bone begins to form in the shaft of a long bone or in the body of an irregular bone. Synonym(s): centrum ossificationis primarium [TA], primary center of ossification, primary point of ossification, punctum ossificationis primarium

pri·mar·y os·si·fi·ca·tion cen·ter

(prī'mar-ē os'i-fi-kā'shŭn sen'tĕr) [TA] The first site of bone formation in the shaft of a long bone or the body of an irregular bone.
Synonym(s): primary center of ossification.