neuroastrocytoma

neu·ro·as·tro·cy·to·ma (noor″o-as″tro-si-toґmə) [neuro- + astrocytoma] a glioma composed mainly of astrocytes, closely resembling an astrocytoma and most commonly found in the floor of the third ventricle and the temporal lobes, although it may arise in almost any part of the central nervous system.