<Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> The posterior cranial fossa is part of the cranial cavity, located between the foramen magnum and tentorium cerebelli . It contains the brainstem and cerebellum . </P> <P> This is the most inferior of the fossae . It houses the cerebellum, medulla and pons . Anteriorly it extends to the apex of the petrous temporal . Posteriorly it is enclosed by the occipital bone . Laterally portions of the squamous temporal and mastoid part of the temporal bone form its walls . </P> <P> The most conspicuous, large opening in the floor of the fossa . It transmits the medulla, the ascending portions of the spinal accessory nerve (XI), and the vertebral arteries . </P>

Where is the posterior fossa located in the brain
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