- Virchow p. SYN: psammomatous meningioma.
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psam·mo·ma sa-'mō-mə n, pl -mas or -ma·ta -mət-ə a hard fibrous tumor of the meninges of the brain and spinal cord containing calcareous matter
psam·mo·ma·tous sa-'mō-mət-əs, -'mä- adj
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n.
a tumour containing gritty sandlike particles (psammoma bodies). It is typical of cancer of the ovary but may also be found in the meninges (the membranes surrounding the brain).
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psam·mo·ma (sam-oґmə) [psamm- + -oma] 1. any tumor that contains psammoma bodies. 2. psammomatous meningioma.Medical dictionary. 2011.