WEEK 1: Congenital Anomalies and Embryology [Youtube Lec] Flashcards
when does the CNS start to develop?
at the beginning of 3rd week
the neural plate invaginates to form the
neural groove
the notochord will form the
nucleus pulposus
when does anterior neuropore close? post?
25 and 27
in the devt of the spinal cord, the intermediate zone will be?
the grey matter of the spinal cord
marginal zone in the devt of spinal cord will be?
myelinated white matter
neuroblast will give rise to?
astrocytes and oligodendrocytes
microglia is derived from>
Surrounding mesenchyme
pia arachnoid and dura maters are formed from?
mesenchyme
what is spina bifida occulta vs cystica?
occulta yung arch lang yung problem, walang protrusion. pag cystica, tatlo yan
meningocele
myelomeningocele
myelocele ( rachischisis)
forebreain will give rise to?
telecephalon and diencephalon;
telencephalon - lateral ventricles
diencephalon - third ventricle
mesencephalon will give rise to?
midbrain and aqueduct of sylvius
rhombencephalon will give rise to?
pons, medulla, cerebellum and 4th ventricle
the 4 colliculi in the midbrain develops from?
tectum which developed from the alar plates
tegmentum of the midbrain develops from?
basal plate