osteon

The three-dimensional reconstruction of concentric lamellae arranged circumferentially about the course of a central blood vessel.

The structural and functional unit of compact bone, also called an Haversian system.

A central canal and the concentric osseous lamellae encircling it, occurring in compact bone. Also called haversian system.

The microscopic unit of compact bone construction; consists of thin lamellae of bone arranged in a series of concentric tubules around a small central canal.