endosteum

(noun)

A membranous vascular layer of cells that line the medullary cavity of a bone.

Related Terms

  • epiphyseal plate
  • compact bone
  • diaphysis
  • chondroblast
  • bone healing
  • fracture callus
  • medullary cavity
  • lacuna

(noun)

A thin vascular membrane of connective tissue that lines the surface of the bone tissue that forms the medullary cavity of long bones.

Related Terms

  • epiphyseal plate
  • compact bone
  • diaphysis
  • chondroblast
  • bone healing
  • fracture callus
  • medullary cavity
  • lacuna

Examples of endosteum in the following topics:

  • Bone Repair

    • The bone marrow (when present), endosteum, small blood vessels, and fibroblasts are other sources of precursor cells.
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