CNS

Question 1

Neural tube defects
Cause
Forms of defects

Answer 1

Cause is : genetic or folate deficiency during 1st trimester
Forms of defects:
1. Spina fibida:
2. Myelomeningiocele
3. Encephalocele

Question 2

About
1. Spina fibida
2. Myelomeningiocele
3. Encephalocele

Answer 2

1 : Most common, post.end of neural tube,may simple( spina fibida oculata) asymptomatic or sever(spina fibida) with meningitis out pouching

2: commonly in lumbosacral region ,motor and sensory deficits lower extremities , bowel and bladder problems , posterior fossa structures

3: diverticulum of malformed CNS tissue extending through cranium ,occipital region
or the posterior fossa , if defect anterior brain tissue may
extend into the sinuses.