Question

In a long bone, the osteons are:

Answer 1

Answer:

B. lined up perpendicular to the long axis of the bone, in the direction of perforating canals.

Explanation:

Osteons are formations of concentric bone layers (lamellae) that tend to run parallel to the long axis of a bone. They sorround the Haversian canal, a canal that contains blood vessels that supply the osteocytes and are the structural unit of compact bone.

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