oligoastrocytoma

Definition of oligoastrocytoma

oligoastrocytoma

(AH-lih-goh-AS-troh-sy-TOH-muh)
A brain tumor that forms from both oligodendrocytes and astrocytes, which are types of glial cells (cells that cover and protect nerve cells in the brain and spinal cord and help them work the way they should). An oligoastrocytoma is a type of mixed glioma.

Source: NCI Dictionary of Cancer Terms