Joints and fractures

How much movement do amphiarthroses joints allow?How much movement do synarthroses joints allow?

-Amphiarthroses permit only slight degreees of movement

-Synarthroses permit no movement

What are irregular bones

-Bones that vary in shape and structure and don’t fit into the other categories

What kind of tissue is the forerunner of long bones in the embryo

Hyaline cartilage

How can you tell if a bones length is still increasing

The Epiphyseal plate is present

What factors determine where the bone matrix is to be remodeled

-Stresses of gravity

-Muscle pull on the skeleton

What is a compound fracture

The broken bone is exposed to the outside

What is a greenstick fracture

-A fracture that is more common in children

-More collagen in matrix

-More flexible

What are the small cavities in bone tissue where osteocytes are found called

Lacunae

What is a comminuted fracture

• A bone fracture where the bone is broken into many fragments

What fracture is common in osteoporotic bones

Compression Fracture

What are the four stages of bone fracture healing

1.Hematoma Formation

2.Fibrocartialage callus formation

3.Bony Callus formation

4.Bone remodeling

What is ossification

Bone formation