Floor of third ventricle is formed by all except: (A) Tuber cinereum, (B) Posterior perforated substance, (C) Tegmentum, (D) Anterior pituitary
Answer is D. The floor is formed from before backwards by:Optic chiasmTuber cinereumInfundibulumMamillary bodiesPosterior perforated substanceTegmentum of midbrain(Ref: Vishram Singh textbook of clinical neuroanatomy second edition pg 137)