The cerebellum in anatomical position sits in the posterior cranial fossa below the tentorium cerebelli, posterior to the brainstem, with superior surface facing upward toward occipital lobes, inferior surface resting on foramen magnum floor, and vermis midline flanked by hemispheres. Its folia and fissures (primary, horizontal) increase surface area for coordination and balance.

Anatomical Position Cerebellum Diagram
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