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Inferior Vermian and Hemispheric Cerebellar Anatomy

Surgical Correlation


  . There are nine lobules of the vermis: lingula, central lobule, culmen, clivus, folium, tuber, pyramid, uvula nodule. The uvula is demonstrated here is contiguous with the tonsils laterally. The tela choroidea forms the portion of the roof of the fourth ventricle.  Choroid plexus can be seen suspended on the undersurface of this semi-transparent membrane.  The tela has a midline opening, the Foramen of Magendie, at about the level of the obex through which CSF in the IV ventricle drains into the cisterna magna.   (Image courtesy of AL Rhoton, Jr.)