Structure of a long bone

Question 1

Articular cartilage

Answer 1

Articulate= form a joint
deepest layer of cartilage is calcified and therefore firmly anchored to bone

Question 2

Epiphysis

Answer 2

At extremities of bone, includes articular cartilage + compact and cancellous bone deep to it

Question 3

Diaphysis

Answer 3

Hollow region of the shaft, compact bone

Question 4

Metaphysis

Answer 4

Cancellous bone between epiphysis and diaphysis

Question 5

Epiphyseal Plate

Answer 5

• Growth plate; cartilage between epiphysis and metaphysis
• Where the bone continues to grow in length until puberty, when the epiphyses fuse to the rest of the bone
• Important to recognize on radiographs

Question 6

Periosteum

Answer 6

• tough, fibrous membrane surrounding bone
• continuous with muscle and ligaments; anchoring them to underlying compact bone