Circumferential lamellae occur around the entire outer and inner surfaces of compact bone, and they are considered remnants of old osteons that have been disrupted by bone remodeling.

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Circumferential lamellae are not remnants of old osteons; they are layers of bone matrix that encircle the outer and inner surfaces of compact bone, providing structural support. Remnants of old osteons are called interstitial lamellae.

Circumferential Lamellae Occur Around the Entire Outer and Inner Surfaces