Perforating Canals

question 180

Multiple Choice

Perforating canals

• A) are arranged parallel to the long axis of the central canal.
• B) are always associated with osteons in cancellous bone.
• C) provide passageways for linking the blood vessels of the central canals with those of the periosteum and the marrow cavity.
• D) occur in growing juvenile bone, but are obliterated in adult bone.
• E) are arranged in concentric layers around a central canal.

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