1. Select the FOUR that DO occur during endochondral ossification of long bones: A. Osteoclasts increase the lumen of the marrow cavity as the bone grows in width B. Ossification occurs in the space left by dead chondrocytes  C. Chondrocytes grow large and then die D. Mesenchymal cells of the dermis differentiate to osteoblasts  E. Areas of ossification become vascular

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A:

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Tissue regeneration & repair

Tissue regeneration involves the restoration of tissue components by regrowth of damaged tissues. In contrast, tissue repair involves patching of injured tissue rather than restoring it. It is the proliferative capacity of the cells that decides the amount of regeneration against the repair that would occur in the tissue. Both regeneration and repair depending on the duration of the injury and response to the inflammation.