bone and cartilage

Question 1

name the 2 types of macroscopic bone?

Answer 1

cortical/compact

cancellous/spongy

Question 2

what type of bone forms the dense outer layer?

Answer 2

cortical

Question 3

which type of bone is alveolar?

Answer 3

cortical

Question 4

which substance forms the inorganic component of bone?

Answer 4

hydroxyapatite

Question 5

which 3 substances for the organic component of bone?

Answer 5

collagen (90%)
glycoproteins
proteoglycans

Question 6

what are the 2 types of bone mciroscopically?

Answer 6

woven and lamellar

Question 7

which is laid down quicker, woven or lamellar bone?

Answer 7

woven

Question 8

describe the orientation of collagen fibres in lammetlar bone?

Answer 8

parallel and well organised

Question 9

_ bone is found in areas of fracture?

Answer 9

woven

Question 10

osteoblasts are derived form which embryonic cell ?

Answer 10

mesenchymal

Question 11

osteoblasts that become trapped in mineralised bone lie within spaces called?

Answer 11

lacunae

Question 12

which type of cell are osteoclasts derived form?

Answer 12

haemoatopoetic stem cells

Question 13

which cells control bone remodelling?

Answer 13

osteoblasts

Question 14

bone remodelling is regulated by _ and _

Answer 14

hormones and paracrines

Question 15

which hormones regulate bone remodelling?

Answer 15

parathyroid

calcitonin

Question 16

is cartilage mineralised or unmineralised?

Answer 16

unmineralised

Question 17

name the 3 types of cartilage

Answer 17

hyaline
fibrocartilage
elastic

Question 18

which type of cartilage is most widely spread

Answer 18

hyaline

Question 19

where is hyaline cartilage found?

Answer 19

larynx
nasal septum
trachea

Question 20

where is fibrocartilage found?

Answer 20

external ear
epiglottis
eustachian tube

Question 21

ossification is another name for?

Answer 21

bone remodelling

Question 22

name the 2 types of ossification?

Answer 22

endochondrial ossification

intramembranous ossification

Question 23

which type of ossification involves a cartilage precursor?

Answer 23

endochondrial

Question 24

endochondrial ossification forms which type of bones?

Answer 24

long

Question 25

intramembranous ossifictaion forms which type of bones?

Answer 25

flat

Question 26

name an area where there is intramembranous and endochondrial ossification?

Answer 26

skull