A<unk>  is a type of tumor that starts in the glial cells of the brain or the spine.<unk> s comprise about 30 percent of all brain tumors and central nervous system tumours, and 80 percent of all malignant brain tumours.
Glioma
Gliosis
Glioblastoma
Astrocytoma
Meningioma
Malignant meningioma
Ameloblastoma
Coma