Osteon

Identify the structures at the red arrows.

• lacunae

• osteons

• lamellae

• Haversian canals

• canaliculi

What are the layers around the Haversian canal called?

• lacunae

• lamella

• osteocyte

• Volkmann's canal

What can be found in Haversian canals?

• osteocytes

• lamella

• blood vessels and nerves

• red blood cells

Structure #2 is the 

• medullary cavity

• periosteum

• epiphysis

• diaphysis

Structure #5 is the 

• medullary cavity

• periosteum

• epiphysis

• diaphysis

The lacunae of an osteon

• hold osteocytes

• are cylindrical

• helps with ossification (hardening of bone)

In bone the hollow central tube of an osteon that contains nerves and blood vessels.

• cartilage

• coxal bones

• pectoral girdle

• haversian canal

Structures #8, the cavities surrounding structures #5, are the

• osteons

• lamellae

• lacunae

• osteocytes

Structure #7 is a/n

• canaliculi

• Volkmann's canal

• Haversian canal

• osteocytes

The concentric circles of lacuna and bony matrix located around a Haversian canal are known as:

• bones

• marrow

• lamellae

• osteocytes