Question

Appositional growth occurs within the ____________ . In this process, ____________ in the inner cellular layer of the periosteum produce and deposit bone matrix within layers ____________ to the surface, called ____________ lamellae. These lamellae are analogous to tree rings: As they ____________ in number, the structure increases in diameter. Thus, the bone becomes ____________ as new bone is laid down at its periphery. As this new bone is being laid down, ____________ along the ____________ resorb bone matrix, creating an expanding space.

Answer 1

Answer:

Appositional growth occurs within the periosteum . In this process, osteoblasts in the inner cellular layer of the periosteum produce and deposit bone matrix within layers parallel to the surface, called external circumferential lamellae. These lamellae are analogous to tree rings: As they increase in number, the structure increases in diameter. Thus, the bone becomes wider as new bone is laid down at its periphery. As this new bone is being laid down, osteoclasts along the medullary cavity resorb bone matrix, creating an expanding space.

Explanation:

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