Ossification Flashcards
1
Q
when does ossification of above the greater sciatic notch in the ilium occur?
A
8th week
2
Q
how many ossification centers in the hip are there? name them.
A
- ilium- develops above greater sciatic notch (8th wk)
- ischium- develops its center in its body (4th month)
- pubis- develops its center in superior pubic ramus (4th and 5th months)
3
Q
when does the primary ossification center fuse in the acetabulum?
A
13-14 y/o
4
Q
what additional 5 secondary ossification centers at the following locations?
A
- pubic symphysis
- iliac crest
- ischial tuberosity
- ASIS
- inferior portion of acetabulum
5
Q
how many vertebrae is the coccyx composed of?
A
4
6
Q
when does the 1st, 2nd, 3rd and 4th coccygeal vertebrae ossify?
A
(ossifies by a single center)
1st: 1-4 years
2nd: 5-10 years
3rd: 10-15 years
4th: 15-20 years
