medullary cavity
Spongy inner layer called cancellous bone. Spongy bone is lighter and less dense than compact bone
Trabecular bone.
bone marrow
Ossicles
This is endosteum.Endosteum.
Compact bone is the outer region of all the bones in your body.There are two basic parts of each of your bones:There is an outer hard layer of bone called either compact bone or cortical bone. this layer is much more dense.There is an inner layer of bone called either cancellous bone or trabecular bone. This is a softer bone and contains bone marrow and much more blood vessels than the cortical (compact) bone.
Diaphysis
The spongy inner tissue of a bone is called trabecular or cancellous bone tissue. It is less dense than compact bone tissue and contains a network of bony trabeculae that provide structural support and help in bone marrow production.
the porous inner part of the bone is the SPONGY BONE
Periosteum is the hard strong layer of bone
The smallest facial bone is known as the lacrimal bone.
The inner part of the bone is called bone marrow. In fact, new blood is produced in bone marrow, not the blood vessels.