Ossification centers

There are both primary and secondary ossification centers that are involved in osteogenesis (formation of bone).  

Primary ossification centers
  • where bone first forms
  • long bones (shaft or diaphysis)
  • irregular bones (body)
Secondary ossification centers
  • individual bones may have multiple centers
  • usually found in epiphysis
Axial skeleton
  • skull
  • hyoid
  • spine
  • thorax
    • ribs
    • sternum
Appendicular skeleton
Upper limb
Lower limb
Pelvic girdle
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Article information

rID: 44012
Section: Anatomy
Synonyms or Alternate Spellings:

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