Skip to Content


Pronunciation: os'te-o-klast'


  1. A large multinucleated cell, possibly of monocytic origin, with abundant acidophilic cytoplasm, functioning in the absorption and removal of osseous tissue.
  2. An instrument used to fracture a bone to correct a deformity.

Synonym(s): osteophage

[osteo- + G. klastos, broken]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.