| 1. | The fourth ventricle is an outpouching on the posterior part of the brainstem.
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| 2. | The common location of intracranial ependymoma is the fourth ventricle.
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| 3. | The fourth ventricle has a characteristic diamond shape in cross-sections of the human brain.
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| 4. | The first region is the ventricular zone in the roof of the fourth ventricle.
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| 5. | Choroid plexus papilloma occurs in the lateral ventricles of children and in the fourth ventricle of adults.
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| 6. | Computerized tomography confirmed these calcified masses in the posteroinferior region to the fourth ventricle just above the midline.
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| 7. | The fourth ventricle narrows at a region called the obex to become the central canal of the spinal cord.
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| 8. | This malformation involves an enlargement of the posterior fossae and fourth ventricle along with agenesis of the cerebellar vermis.
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| 9. | Cerebrospinal fluid produced in the fourth ventricle drains into the cisterna magna via the lateral apertures and median aperture.
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| 10. | This central region surrounds the central canal, which is an extension of the fourth ventricle and contains cerebrospinal fluid.
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