<prompt> T1 weighted MRI of midsagittal section of brain is given. Which among the marked structures contains two lateral foramina of Luschka ?ABCD  <response>: Option D : Correct answer i.e. the fouh ventricle contains the two lateral foramina of Luschka, which drain into the two cerebellopontine angle cisterns. Option A : lateral ventricle Option B : third ventricle with fornix and choroid plexus at the roof Option C : quadrigeminal cistern with great cerebral vein of Galen as the content Option E : posterior cerebellomedullary cistern 