Compact bone

Artery

Blood vessels continue into medullary cavity containing marrow

Cacanaliculus

Central (Haversian) canal

Central canal

Circumferential lamellae

Compact bone

Endosteum lining bony canals and convering trabeculae

Lacunae

Lamellae

Lamellae (up close)

Nerve

Osteocyte in a lacuna

Osteon (Haversian system)

Perforating (sharpey’s) fibers

Perforating (volkman’s) canal

Periosteal blood vessel

Periosteum

Spongy bone

Vein