Gross Anatomy of Long Bones

Front

What is the outer layer of a long bone called?

Back

Periosteum: A dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.

Front

What is the term for the central cavity of a long bone that contains bone marrow?

Back

Medullary Cavity: The central cavity of a long bone where yellow bone marrow is stored.

Front

What type of bone tissue is dense and forms the outer layer of the bone?

Back

Compact Bone: A dense and strong type of bone tissue that provides strength and structure.

Front

What is the name of the fibrous connective tissue that lines the inner surface of the bone?

Back

Endosteum: A thin membrane that lines the medullary cavity and contains bone-forming cells.

Front

What is the term for the ends of a long bone?

Back

Epiphysis: The rounded ends of a long bone, which articulate with other bones.

Front

What is the function of Sharpey's (Perforating) Fibers?

Back

Sharpey's Fibers: Connective tissue fibers that anchor the periosteum to the underlying bone.

Front

What is the role of articular cartilage in long bones?

Back

Articular Cartilage: A smooth, slippery tissue that covers the ends of bones at joints, reducing friction.

Front

What is the growth plate in long bones called?

Back

Epiphyseal Line / Plate: The area of growing tissue near the ends of the long bones in children and adolescents.

Front

What is the term for the shaft of a long bone?

Back

Diaphysis: The long, tubular main section of a long bone.

Front

What type of bone marrow is primarily found in the medullary cavity of adults?

Back

Yellow Bone Marrow: A type of bone marrow that stores fat and is found in the medullary cavity.