OB BOLD 3 Flashcards
1
Q
skeletal system forms from the
A
mesoderm
2
Q
skeletogenesis is
A
formation of the skeleton
3
Q
orgogenesis
A
placement of mesoderm and development into cartilage and bone
4
Q
osteoclasts do what
A
crush bone
5
Q
what happens in ossification centers
A
cartilage degenerates and bone replaces it
6
Q
primary ossifications centers are where
A
more central (diaphysis)
7
Q
secondary ossification centres are wher
A
more peripheral (epiphysis)
8
Q
when do ossification centres develop
A
postnatally
9
Q
what is between epi and diaphysis
A
metaphysis
10
Q
what does the metaphysis contain
A
growth plate
11
Q
limb buds seen what week on TV
A
7
12
Q
clavicle and mandible develop what week
A
8
13
Q
primary ossification centers seen what week
A
11-12
14
Q
hand and feet visualizeed what week
A
12-14
15
Q
fetal movement seen by what week
A
9-10
