Astrocytoma: A tumor that begins in the brain or spinal cord in small, star-shaped cells called astrocytes. The location of the tumor depends on the age of the person. In adults, astrocytomas most often arise in the cerebrum whereas in children, they may arise in the brain stem, cerebrum, and cerebellum.
Library > Literature & Language > Dictionary ( ăs ' trÅ-sÄ«-tÅ ' mÉ™ ) n. , pl. , -mas , or -ma·ta ( -mÉ™-tÉ™ ). A malignant tumor of nervous tissue composed of ...
Astrocytomas are CNS neoplasms in which the predominant cell type is derived from an immortalized astrocyte.Two classes of astrocytic tumors are recognized ...
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Astrocytoma brain tumors are generally slow-growing brain tumors that cause swelling in the brain, especially behind the eyes.