Medical Dictionary

gray matter

noun

Definition of GRAY MATTER

:  neural tissue especially of the brain and spinal cord that contains cell bodies as well as nerve fibers, has a brownish gray color, and forms most of the cortex and nuclei of the brain, the columns of the spinal cord, and the bodies of ganglia—called also gray substance
March 30, 2015
amphibology Hear it
A phrase with more than one interpretation
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