events Flashcards
dura mater and arachnoid end at level of ?
S2
start and end of lumar cistern ?
start at L2 end at S2
number of process of denticulate ligament is ?
21
level of lumbar puncture ?
L3-L4
develoment of spinal cord starts in?
4th week
number of somite of spinal cord ?
42-44
somites appear in ?
day 20 every day add 3
primary ossification start at ?
8th week
secondary ossification at
after puberty
base of accibital bone developed from?
O4 + C1
spondylolisthesis usually acucre at ?
L5-S1
NS start developing at ?
3rd week
Ant.neuropore close at ?
4th week (day 25)
post.neuropre close at ?
4th week (27)
mylination of the brain begins at ?
6th month of fatal life
mylination of CST , CBT , CPCT, TST
after birth
sulcus limitants appear at
4th week
mylination of spinal cord starts at ?
4th Week
spinal cord extend to the entire lenght of vertebral column at ?
8 week
conus medullaris at birth present at level of
VL3
conus medullaris in adult at level of
VL1-VL2
