Long Bone Anatomy

Front

What is the periosteum?

Back

The tough membrane covering the shaft of the bone.

Front

What is the medullary cavity?

Back

The central cavity of bone where yellow marrow is stored.

Front

What is articular cartilage?

Back

The shiny white substance on the ends of bones that provides a smooth surface for joint movement.

Front

Where is red marrow found and what is its function?

Back

Red marrow is found in the spongy bone and is responsible for the production of blood cells.

Front

What is the diaphysis?

Back

The shaft or central part of a long bone.

Front

What is the epiphysis?

Back

The end part of a long bone, initially growing separately from the shaft.

Front

What is the function of the periosteum?

Back

It serves as a protective layer and provides a surface for muscle attachment.

Front

What type of marrow is found in the medullary cavity?

Back

Yellow marrow.

Front

What is the role of spongy bone?

Back

It helps to reduce the weight of the bone while providing strength.

Front

What is the difference between red marrow and yellow marrow?

Back

Red marrow produces blood cells, while yellow marrow stores fat.