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: Anatomy
Ventricles of brain are lined by ? 
Select and explain. 
A. Ependymocytes, B. Astrocytes, C. Oligodendrocytes, D. Podocytes
A: Ependymocytes
Answer: A: Ependymocytes 
Explanation: Ventricles of brain are lined by ependyma (ependymocytes).Ventricles of brainThese are cavities in the brain lined by ependyma and filled with CSF.They contain choroid plexuses wich secrete CSF.These are four fluid filled intercommunicating cavities within the brain :-i) Two lateral ventricles (right and left),ii) Third ventricle, andiii) Fouh ventricle. o Lateral ventricle communicates with third ventricle by interventricular foramen (foramen of Monro).Third ventricle communicates with fouh ventricle by cerebral aqueduct (aqueduct of sylvius).Fouh ventricle communicates with subarachnoid space by a median foramen (Mangendie) and two lateral (Luschka) foramina.