Structure of a Long Bone

Front

What is the Marrow Cavity?

Back

The Marrow Cavity, also known as Yellow Marrow, is the central cavity of a long bone that contains adipose tissue and is involved in the storage of fat.

Front

What is Spongy Bone?

Back

Spongy Bone, also known as cancellous bone, is a type of bone tissue that has a porous structure, providing strength and support while reducing weight.

Front

What is Articular Cartilage?

Back

Articular Cartilage is a smooth, white tissue that covers the ends of bones in joints, allowing for smooth movement and reducing friction.

Front

What is the Periosteum?

Back

The Periosteum is a dense layer of vascular connective tissue that envelops the bones except at the surfaces of the joints, providing nourishment and attachment for tendons and ligaments.

Front

What is the Epiphyseal Line?

Back

The Epiphyseal Line is a remnant of the growth plate (epiphyseal plate) in long bones, indicating where bone growth occurred during development.

Front

What is Compact Bone?

Back

Compact Bone is the dense, outer layer of bone that provides strength and support, making up the majority of the bone's structure.

Front

What is the function of the Endosteum?

Back

The Endosteum is a thin membrane that lines the inner surface of the bone, playing a role in bone growth, repair, and remodeling.

Front

What is the role of Yellow Marrow?

Back

Yellow Marrow primarily serves as a fat storage area and is found in the central cavity of long bones.

Front

What is the difference between Compact Bone and Spongy Bone?

Back

Compact Bone is dense and forms the outer layer of bones, while Spongy Bone is lighter, porous, and found mainly at the ends of long bones.

Front

What is the significance of the Proximal Epiphysis?

Back

The Proximal Epiphysis is the end of a long bone closest to the body's center, involved in joint formation and bone growth.