The vascular elements of the marrow tissue actively invade the cartilage above, leaving spicules of calcified cartilage, upon which bony matrix will be deposited.

 
  • 图中可见,骨髓组织不断侵嗜软骨,留下梁状的钙化软骨组织,随后这些残留软骨组织表面便会被骨组织覆盖包裹。
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