Quiz 5 - Ossification Centers Flashcards

1
Q

calcaneus: primary oss

A

3rd month in utero

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

calcaneus: secondary oss

A

Posterior part - 6-8 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

calcaneus: fusion

A

14-17 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

talus: primary oss

A

6th month in utero

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

can talus have multiple oss centers?

A

lateral tubercle (often) and medial tubercle (sometimes) have separate oss centers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

navicular: primary oss

A

3 y/o

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the LAST tarsal bone to begin ossification?

A

navicular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

cuboid: primary oss

A

birth - 6 months

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

medial cuneiform: primary oss

A

2 y/o

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

which cuneiform can have multiple primary oss centers?

A

medial cuneiform (may have 2 centers- 1 dorsal and 1 plantar)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

intermediate cuneiform: primary oss

A

3 y/o

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

lateral cuneiform: primary oss

A

1 y/o

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

order of cuneiform ossification

A

Look mom, upside down I! (lateral, medial, intermediate)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

1st metatarsal: primary oss

A

10 wk in utero

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

1st MT: secondary oss

A

Base, 3 y/o

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

1st MT: fusion

17
Q

Which MT can have a separate oss center for the head?

18
Q

2nd MT, 3rd MT, 4th MT: primary oss

A

9 wk in utero

19
Q

2nd MT, 3rd MT, 4th MT: secondary oss

A

head, 3-4 y/o

20
Q

2nd MT, 3rd MT, 4th MT: fusion

A

17-20 y/o (same as MT1, MT5)

21
Q

5th MT: primary oss

A

10 wk in utero

22
Q

5th MT: secondary oss

A

head, 3-4 y/o

23
Q

5th MT: fusion

24
Q

fusion of all MTs?

25
which MTs have secondary ossification center of the head at 3-4 y/o?
MT 2, 3, 4, & 5 | *MT 1's BASE develops in 3rd year
26
Where can 5th MT have separate oss center?
tuberosity
27
Proximal phalanges: primary oss
11-15 weeks in utero
28
proximal/ middle/ distal phalanges: secondary oss
base, 2-8 years
29
proximal/middle/ distal phalanges: fusion
15-18 y/o
30
middle phalanges: primary oss
variable, but after 15th week in utero
31
distal phalanges: primary oss
9-12 weeks in utero
32
order of primary oss centers of phalanges?
DPM | distal: 9-12 wks, proximal: 11-15, middle: 15+ weeks
33
sesamoids in flexor hallucis brevis: primary oss center
10-12 years old
34
how many oss centers are in sesamoids?
either medial or lateral sesamoid can have 2 centers; but they are more common in the MEDIAL sesamoid