lec 1 Flashcards
grey mater derived from?
mantel layer of neural tube wall (intermediate layer )
neurons and glial cells derived from ?
mantel layer of neural tube wall (intermediate layer )
white mater derived from ?
marginal layer of neural tube wall layer (outermost )
nerve fibers derived from ?
marginal layer of neural tube wall layer (outermost )
spinal canal and ventricle derived from ?
neuroepithelial , epindymal , ventricular layer
mylination of the brain start in
6th M of fatal life
newbron baby have suckiling respiration swallowing skills , which are actually ?
reflexes
mylination of CST end in ?
6th M of after birth
complete mylination of all tracts in brain end in ?
end of 2nd year of life
NS start developing in ?
3rd M of fatal life
ant. and post. neuropore close in?
3rd (ant. (25)) , 4thM (post (27))
sulcus limitans appears ?
during 4th week of fatal life
the age that apinal cord extend to the entire length of vertebral clumn is
at 8 W
the level site of conus medullaris at birth is?
VL3
the level site of conus medullaris in adult ?
VL1-2