Within a long bone of the skeleton, the circumferential lamellae are located in the
A) trabeculae.
B) osteons.
C) external and internal regions of compact bone.
D) marrow cavity.

Question

Quizplus · Accepted Answer

Circumferential lamellae are arranged in concentric rings in the external and internal regions of compact bone. They help to strengthen and support the bone. Trabeculae are found in spongy bone, and osteons are the structural units of compact bone that consist of concentric lamellae surrounding a central canal. The marrow cavity is found in the center of long bones and is filled with bone marrow.

Within a Long Bone of the Skeleton, the Circumferential Lamellae