Tues - X-rays and ultrasound

Question 1

_________ - relative impenetrability to x-rays

Answer 1

radioopaque

Question 2

_________ - relative penetrability to x-rays

Answer 2

radiolucent

Question 3

Epiphyseal plate

Answer 3

Growth plate

Question 4

Apophyseal plate

Answer 4

Growth plate where tendons insert

Question 5

Fracture where the distal segment of the bone is angled away from the body?

Towards?

Answer 5

Away - valgus

Inward - varus

Question 6

Word for midsection of bone?

Answer 6

Diaphysis

Question 7

Intramembranous ossification

vs

endochondral ossification

Answer 7

connective tissue

cartilage

Question 8

Compact bone

vs

not so compact bone

Answer 8

compact - Cortical bone (has the Haversian system of canals that allows for arteries, etc.)

not so compact - Trabecular bone

Question 9

Woven vs Lamellar bone

Answer 9

woven - immature bones, healing bones

lamellar - mature

Question 10

Ways to make cells that help in healing a fracture

Answer 10

pluripotent mesenchymal cells –> osteoblasts, chondrocytes, fibroblases

monocytes –> osteoclasts

Question 11

Maturation of bone occurs in what direction?

Answer 11

distal to proximal

Question 12

Salter-harris classification

Answer 12

1 - fracture through growth plate
2 - fracture through growth plate + small amount of metaphysis detatched with it
3 - part of epiphysis breaks off
4 - fracture through the epiphysis and metaphysis
5 - crushing of the growth plate