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astrocytomaenUK
as·tro·cy·to·ma A0486100 (ăs′trō-sī-tō′mə)n. pl. as·tro·cy·to·mas or as·tro·cy·to·ma·ta (-mə-tə) A malignant tumor of nervous tissue composed of astrocytes.astrocytoma (ˌæstrəʊsaɪˈtəʊmə) na tumour of the nervous system which originates in and consists mainly of astrocytes(as modifier)astrocytomaa brain tumor composed of large, star-shaped cells called astrocytes.See also: CancerTranslationsastrocytomaenUK
astrocytoma[‚as·trə‚sī′tōm·ə] (medicine) A slow-growing glial tumor made up of cells resembling astrocytes; often it will undergo malignant change and assume the appearance and growth characteristics of a glioblastoma. astrocytomaenUK
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] |