Musculoskeletal System

Question 1

Species with 18 thoracic vertebrae

Answer 1

Equine

Question 2

Is the bone a living organ?

Answer 2

Yes

Question 3

Does the bone undergo change throughout life

Answer 3

Yes

Question 4

Osteoblasts

Answer 4

Immature cells that can synthesise osteoid (bone matrix)

Question 5

Osteocytes

Answer 5

Bone cells that maintain bone tissue, osteoblasts that have become trapped by the matrix

Question 6

Osteoclasts

Answer 6

Cells that breakdown and remodel bone

Question 7

What is the skeleton mainly made out of in young animals

Answer 7

Cartilage as animals grow the cartridge is converted to bone

Question 8

How does bone development take place

Answer 8

Intramenbranous ossification
Or
Endochondral ossification

Question 9

What type of bone growth has NO cartilage template but connective tissue

Answer 9

Flat bones of skull

Question 10

What is endochondral ossification

Answer 10

The replacement of cartilage with bone
(Long bone)

Question 11

Endochondral ossification primary

Answer 11

Appears on diaphysis of bone (on side)
Cartridge cells on side of bone converted in to bone. Osteoclasts the diaphysis into medullary cavity

Question 12

Endochondral ossification secondary

Answer 12

Appears at epiphyses of bones (end of bones) growth plate creates new cartilage cells on the ends lingering the bone, once bone is fully grown cells stop dividing and all cartilage is ossified. (Turnt to bone)