Periosteum surrounds and protects bones. It also is the site of healing, like with a fracture. If the periosteum grows abnormally, it is called Exostosis, like what forms splints.
The bone protects it.
A cell wall surrounds and protects a plant cell.
A cell wall surrounds and protects a plant cell.
periosteum : tough fibrous connective tissue membrane that covers the outside of the diaphysis. this protects the bone and serves as a point of attachment.
The Orbital bone protects the eyes
surrounds and protects bones
Pericardium.
The skull is a bone. The skull protects the brain.
the spongy bone.
the bone that protects the brain is the skull.
The Nuclear Envelope.
Plasma protects the cells that it surrounds.