astrocytoma
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as·tro·cy·to·ma

noun \ˌas-trə-sī-ˈtō-mə\
plural as·tro·cy·to·mas also as·tro·cy·to·ma·ta\-mə-tə\

Definition of ASTROCYTOMA

: a nerve-tissue tumor composed of astrocytes

Origin of ASTROCYTOMA

New Latin
First Known Use: circa 1923

as·tro·cy·to·ma

noun \ˌas-trə-sī-ˈtō-mə\   (Medical Dictionary)
plural ; as·tro·cy·to·masalso ; as·tro·cy·to·ma·ta \-mət-ə\ (audio pronunciation)

Medical Definition of ASTROCYTOMA

: a nerve-tissue tumor composed of astrocytes

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