Bone

Question 1

primary bone (2)

Answer 1

embryonic & growth

callus (fracture)

Question 2

secondary bone (2)

Answer 2

compact, haversian

spongy, cancellous, trabecular

Question 3

primary bone:
embryonic & growth:
collagen I arrangement (woven/lamellar, irregular/parallel organization)

Answer 3

woven

irregular

Question 4

primary bone:
callus (fracture):
collagen I arrangement (woven/lamellar, irregular/parallel organization)

Answer 4

woven

irregular

Question 5

secondary bone:
compact, haversian:
collagen I arrangement (woven/lamellar, irregular/parallel organization)

Answer 5

lamellar

parallel organization

Question 6

secondary bone:
spongy, cancellous, trabecular:
collagen I arrangement

Answer 6

lamellar

parallel organization

Question 7

primary bone:
embryonic & growth:
osteocyte arrangement (random?, other)

Answer 7

random

Question 8

primary bone:
callus (fracture):
osteocyte arrangement (random?, other)

Answer 8

random

mixed with fibrocartilage & granulation tissue

Question 9

secondary bone:
compact, haversian:
osteocyte arrangement (haversian systems?, other)

Answer 9

haversian systems

Question 10

secondary bone:
spongy, cancellous, trabecular:
osteocyte arrangement (random?, haversian systems?, other)

Answer 10

no haversian systems

layers along length of trabeculae

Question 11

primary bone:
embryonic & growth:
canaliculi (yes/no)

Answer 11

yes

Question 12

primary bone:
callus (fracture):
canaliculi (yes/no)

Answer 12

yes

Question 13

secondary bone:
compact, haversian:
canaliculi (yes/no)

Answer 13

yes

Question 14

secondary bone:
spongy, cancellous, trabecular:
canaliculi (yes/no)

Answer 14

yes

Question 15

primary bone:
embryonic & growth:
vasculature (yes/no, where)

Answer 15

yes

between osteoid patches

Question 16

primary bone:
callus (fracture):
vasculature (yes/no, where)

Answer 16

yes

between osteoid patches

Question 17

secondary bone:
compact, haversian:
vasculature (yes/no, where)

Answer 17

yes

in haversian canal

Question 18

secondary bone:
spongy, cancellous, trabecular:
vasculature (yes/no, where)

Answer 18

yes

between trabeculae

Question 19

primary bone:
embryonic & growth:
osteoblasts (numerous/few, where)

Answer 19

numerous

on bone edges

Question 20

primary bone:
callus (fracture):
osteoblasts (numerous/few, where)

Answer 20

numerous

on bone edges

Question 21

secondary bone:
compact, haversian:
osteoblasts (numerous/few, where)

Answer 21

few

progenitors in periosteium, endosteum & haversian canal lining

Question 22

secondary bone:
spongy, cancellous, trabecular:
osteoblasts (numerous/few, where)

Answer 22

few

progenitors in trabecular lining

Question 23

primary bone:
embryonic & growth:
osteoclasts (obvious/few or none)

Answer 23

obvious

Question 24

primary bone:
callus (fracture):
osteoclasts (obvious/few or none)

Answer 24

obvoius

Question 25

secondary bone: compact, haversian: osteoclasts (obvious/few or none)

Answer 25

few or none

Question 26

secondary bone: spongy, cancellous, trabecular: osteoclasts (obvious/few or none)

Answer 26

few or none

Question 27

primary bone: embryonic & growth: function/location

Answer 27

embryonic bone growth | epiphyseal plate bone growth

Question 28

primary bone: callus (fracture): function/location

Answer 28

bone fracture healing

Question 29

secondary bone: compact, haversian: function/location

Answer 29

strength | support for the shaft (diaphysis) of long bones

Question 30

secondary bone: spongy, cancellous, trabecular: function/location

Answer 30

``` strength in trabeculae at epiphysis & metaphysis of long bones irregular bones (esp vertebral bodies) ```