Psammoma
psammoma psam·mo·ma (sā-mō’mə)
n. pl. psam·mo·mas or psam·mo·ma·ta (-mə-tə)
Psammomatous meningioma. No longer in technical use.
Read Also:
- Psammoma body
psammoma body n. A mineralized body occurring in the meninges, choroid plexus, and in certain meningiomas. See brain sand. See calcospherite.
- Psammomatous meningioma
psammomatous meningioma psam·mo·ma·tous meningioma (sə-mō’mə-təs) n. A firm fibrous neoplasm of meninges of the brain and spinal cord characterized by psammona bodies. Also called sand tumor.
- Psammophyte
noun 1. a plant that grows in sand or sandy soil.
- Psammosere
noun, Ecology. 1. a sere originating on sand or sandy soil.
- Psammous
psammous psam·mous (sām’əs) adj. Sandy.