Definitions
from The Century Dictionary.
- noun A tumor containing abundant, calcareous deposit, usually growing from the membranes of the brain, and most frequently a myxoma or fibroma.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun medicine A
brain tumour containingconcretions resembling grains ofsand
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Ancient Greek ψάμμος (psammos, "sand").
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Examples
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In the meninges we may find glioma, cancers, and psammoma, fibromata; aneurisms of the spinal arteries have been discovered in the spinal canal.
Special Report on Diseases of the Horse Charles B. Michener 1877
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