Definitions

Bone_cell

Bone cell

There are five types of bone cells.

  • Osteoblasts - These are commonly called bone-forming cells. They secrete osteoid, which forms the bone matrix.
  • Osteocytes - A mature osteoblast surrounded by bone matrix.
  • Osteoclasts - These function in resorption and degradation of existing bone.
  • ((Osteogenic))
  • ((bone-lining))

Although osteogenic or osteoprogenitor cells are commonly mentioned in bone literature, these do not appear to be a unique type of cell. Rather, osteoblasts derive from mesenchymal stem cells, which have shown the ability to differentiate into chondrocytes and adipocytes as well. Adipocytes are worm like substances that live and never move freely around and in the bone structure.

References

  • Bone marrow mesenchymal cells: biological properties and clinical applications. PMID: 11388742
  • Bone marrow stromal stem cells: nature, biology, and potential applications. PMID: 11359943
  • Stem cell information

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