Skeletal System - Structure of a Long Bone

The epiphysis of the long bone is the 1) ___ portion of the bone.

The epiphysis 2) ___ with another bone.

• 1) expanded

• 1) middle

• 2) avoids

• 2) joins

The diaphysis is the ___ portion of the long bone.

• end

• middle (shaft)

• inner layer

• outer layer

What is the periosteum?

• The inner portion of the bone lining the medullary cavity

• Tough vascular covering of fibrous tissue

• Encloses the bone

The periosteum helps form and repair bones.

• True

• False

The endosteum is a thin layer of cells that lines what cavity?

• Dorsal Cavity

• Medullary Cavity

• Thoracic Cavity

• Pelvic Cavity

Articular cartilage is hyaline cartilage found on the epiphysis and reduces friction at the joint.

• True

• False

Epiphyseal plates are also known as the growth plates.

• False

• True

Tags

NGSS.MS-LS1-5

What are the epiphyseal plates made of that form bone as we grow?

• Calcium

• A lot of osteons

• A thin layer of hyaline cartilage

• Collagen

What happens when the epiphyseal plates fuse together?

• Nothing, you still continue to grow

• You start to shrink

• Bone growth stops

• You feel pain in your joints

Where is compact bone located?

• Inner layer of the bone

• In flat bones

• Outer layer of the bone