The periost is a dense layer of connective tissue that covers the outer surface of bones.

He was diagnosed with periostitis after experiencing severe pain in his shin.

The periosteal layer provides nourishment and protection to the bones.

The surgeon cut periosteally to expose the bone.

The surgeon carefully removed the periosteal tissue during the operation.

The periosts protect the bones from external damage.

The periostal membrane covers the surface of the bone.

He is experiencing periostic pain in his leg.

The periosteum is a protective membrane that surrounds bones.

The periostracum is the outermost layer of a mollusk's shell.