main menu   -   articles   -   prostate   -   stories   -   sexuality   -   resources   -   glossary   -   search     From Phoenix5's Prostate Cancer Glossary osteoclast Definition: OSS-tee-oh-klast) A cell that actively reabsorbs old or fatigued bone so that new bone may be replaced by osteoblast cells. When osteoclast cells reabsorb bone faster than the osteoblast cells are building it, then osteoporosis (bone loss) occurs. See hypercalcemia. make another selection #s   A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  WXYZ main menu   -   articles   -   prostate   -   stories   -   sexuality   -   resources   -   glossary   -   search The Glossary Booklet   -   The Personal Edition Definitions are provided for education only and are not medical advice. Created exclusively for Phoenix5. © 2002 Phoenix5.