Experimental Factor Ontology term EFO_0020985 (central nervous system embryonal neoplasm) is a malignant neoplasm of embryonal origin, arising from the central nervous system. It usually affects children. Representative examples include ependymoblastoma, medulloblastoma, and atypical teratoid/rhabdoid tumor. Also known as: CNS Embryonal Neoplasm, CNS Embryonal Tumor, Central Nervous System Embryonal Tumor.