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fourth ventricle
fourth ventricle The fourth ventricle is an unevenly shaped fluid-filled space in the hindbrain, lying in front of the cerebellum and near the pons and medulla oblongata.
The fourth ventricle is an unevenly shaped fluid-filled space in the hindbrain, lying in front of the cerebellum and near the pons and medulla oblongata. It connects below with the spinal cord’s central canal, above with the cerebral aqueduct, and opens into the subarachnoid space through side and middle openings.