Flat bone

Definition

Flat bones are bones that have a thin, flattened shape and provide protection for internal organs while also serving as sites for muscle attachment. They are characterized by a layer of spongy bone between two layers of compact bone.

Related terms

Compact Bone: Dense bone tissue that forms the outer layer of bones, providing strength and protection.

Spongy Bone: Less dense bone tissue found inside bones, containing spaces that hold bone marrow.

Bone Marrow: Soft tissue inside bones that produces blood cells