Layers of bony matrix at the outer and inner surfaces of bone and covered by the periosteum and the endosteum are
A) concentric lamellae.
B) osteons.
C) Haversian systems.
D) interstitial lamellae.
E) circumferential lamellae.

Question

Quizplus · Accepted Answer

Circumferential lamellae are layers of bony matrix that form the outer and inner surfaces of bone and are covered by the periosteum and the endosteum. They run parallel to the bone surface and help to strengthen and support the bone. The other options are also types of bone tissue but do not fit the description given in the question.

Layers of Bony Matrix at the Outer and Inner Surfaces