Physiological And Pathological Formation of The Brain And Spinal Cord Flashcards
What does ectoderm form
Skin, nervous system
What does endoderm form
Epithelial lining of gut, respiratory system, liver and pancreas
What does mesoderm form
Notochord, muscular system
What week is gastrulation
3rd
What do migrations neural crest cels form
Sensory dorsal root ganglia of spinal cord and CN 5 7 9 10 Schwann cell Adrenal medulla Bony skull Meninges
When should neural tube close
4th embryonic week
Incidence of spina bifida
1/1000
Env factors affecting spina bifida
Folic acid
Maternal diabetes
Meckel syndrome
Cystic kidney malformation
Extra fingers
Learning disability IQ
Less than 70
CSF mls
120 mls
CSF function
Cushions brain and helps metabolites
CSF circulation
Through subarachnoid spaces through ventricles
Where is csf produced
Choroid plexus
Where is csf absorber
Arachnoid granulation in superior sagittal sinus