center of ossification

Medical Dictionary

center of ossification n.

  1. The site where bone begins to form in a specific bone or part of bone as a result of the accumulation of osteoblasts in the connective tissue.

  2. The site where bone begins to form in the shaft of a long bone or the body of an irregular bone; primary ossification center.

  3. The site where bone formation continues after beginning in the long shaft or body of the bone, usually in an epiphysis; secondary ossification center.

  4. The site of earliest destruction of cartilage prior to bone formation; ossific center.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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