Pediatric Neurology Flashcards
1
Q
Neural Tube Development
A
21-26 days
-Neural groove done at 21d
-closes at cervical 1st
-Superior neuropore closes at 27d
Inner layer
-grey matter
-dorsal horn: sensory
-ventral horn: motor
Outer layer
-white matter
2
Q
Brain Development
A
Hindbrain: brainstem (w/o midbrain), 4th ventricle
Midbrain: cerebral aquaduct
Forebrain
Posterior: Diencephalon
Anterior: telencephalon (cortex, white matter, lateral ventricles
3
Q
Dyraphism
A
-60% unknown, 7.5% genetic
-folate prevention
-disorder of closure of neural tube
-anterior open
-Anecephhaly: fatal, absent brain
-spinal
4
Q
Spina Bifida
A
-vertebral abnormality
Occulta: vertebral arch, 10%
Meningocele: dura and arachnoid herniation
Myelomeningocele:
