immunoelectrophoresis of extracts of 200 intracranial tumours against rabbit anti-glioblastoma serum gave positive results ( = precipitation ) in all cases of tumours of neuroectodermal origin such as glioblastoma , astrocytoma , oligodendroglioma , ependymoma , neurinoma , and spongioblastoma .
C0017636
glioblastoma
C0004114
astrocytoma