Tiny cavities that hold osteocytes.
Concentric circles that the lacunae are arranged in.
Canals that run lengthwise through the bony matrix, carrying blood vessels and nerves to all areas of the bone.
Volkmann's/ perforating canals
Connects one osteon system to the adjacent osteon system, and creates a communication pathway from the outside of the bone to the inside of the bone.
Tiny canals that move outward from the central canals forming a transportation system that connects all the bone cells to a nutrient supply.
A complex consisting of a central canal, and matrix rings.