Long Bone

Front

What is a long bone?

Back

A long bone is a type of bone that is longer than it is wide, characterized by a shaft (diaphysis) and two ends (epiphyses). Examples include the femur and humerus.

Front

Where is spongy bone primarily found in a long bone?

Back

Spongy bone is primarily found in the epiphysis of a long bone.

Front

What is the function of compact bone?

Back

The function of compact bone is to provide structural scaffolding for supporting weight.

Front

What does the term 'diaphysis' refer to in a long bone?

Back

The diaphysis refers to the shaft or central part of a long bone.

Front

What is the periosteum?

Back

The periosteum is a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.

Front

What is the medullary cavity?

Back

The medullary cavity is the central cavity of bone shafts where red and yellow bone marrow is stored.

Front

What is the role of red marrow in long bones?

Back

Red marrow is responsible for the production of blood cells.

Front

What is the significance of the epiphyseal plate?

Back

The epiphyseal plate is a hyaline cartilage plate in the metaphysis at each end of a long bone, responsible for the lengthwise growth of the bone.

Front

What is the function of articular cartilage?

Back

Articular cartilage covers the ends of bones in joints, providing a smooth surface for movement and reducing friction.

Front

What is the difference between red marrow and yellow marrow?

Back

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