astrocytoma

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astrocytoma

 [as″tro-si-to´mah]
a tumor composed of astrocytes; classified in order of malignancy as: Grade I, consisting of fibrillary or protoplasmic astrocytes; Grade II (astroblastoma); Grades III and IV (glioblastoma multiforme).

as·tro·cy·to·ma

(as'trō-sī-tō'mă),
A glioma derived from astrocytes.
[G. astron, star, + kytos, cell, + -oma, tumor]

astrocytoma

(ăs′trō-sī-tō′mə)
n. pl. astrocyto·mas or astrocyto·mata (-mə-tə)
A malignant tumor of nervous tissue composed of astrocytes.

as·tro·cy·to·ma

(as'trō-sī-tō'mă)
A glioma derived from astrocytes; in people younger than 20 years of age, usually arise in a cerebellar hemisphere; in adults, usually occur in the cerebrum, sometimes growing rapidly and invading extensively.
[G. astron, star, + kytos, cell, + -oma, tumor]

astrocytoma

A tumour derived from the supporting tissue of nerve cells (neuroglia). The astrocytoma varies widely in malignancy and rate of growth.

as·tro·cy·to·ma

(as'trō-sī-tō'mă)
A glioma derived from astrocytes; in people younger than 20 years of age, usually arise in a cerebellar hemisphere; in adults, usually occur in the cerebrum, sometimes growing rapidly and invading extensively.
[G. astron, star, + kytos, cell, + -oma, tumor]
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