This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
All of the following are neural tube defects except- 
Select and explain. 
A. Myelomeingocoele, B. Anencephaly, C. Encephalocele, D. Holoprosencephaly
D: Holoprosencephaly
Answer: D: Holoprosencephaly 
Explanation: Ans. is 'd' i.e., Holoprosencephaly Holoprosencephaly is a developmental disorder of the brain that results from defective cleavage of the prosencephalon. It is thus a malformation of coical development and not a neural tube defect. The major neural tube defect include: Spina bifida occulta Anencephaly Diastematomyelea Meningocele Dermal sinus Lipoma involving conus medullaris Meningomyelocele Tethered cord Encephelocele Syringomyelia