Source:http://linkedlifedata.com/resource/umls/id/C1333407
NCI: A type of brain tumor that usually begins in the central canal of the spinal cord. Ependymal tumors may also develop in the cells lining the ventricles of the brain, which produce and store the special fluid (cerebrospinal fluid) that protects the brain and spinal cord.,NCI: A group of neoplasms which arise from the ependymal lining of the cerebral ventricles and from the remnants of the central canal of the spinal cord. Ependymal tumors occur predominantly in children and young adults with varied morphological features and biological behavior. There are 4 types: ependymoma, anaplastic ependymoma, myxopapillary ependymoma and subependymoma. (WHO) (from WHO)