Lexic.us

Definition of Grey matter

1. Noun. Greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons.

Definition of Grey matter

1. Noun. (idiomatic) Brains; a person's ability to think. ¹

2. Noun. (context: neuroanatomy) A collection of cell bodies and (usually) dendritic connections, in contrast to (term white matter). ¹

¹ Source: wiktionary.com

Medical Definition of Grey matter

1. Gray matter, the thinking brain, appears gray because it is composed of numerous nerve cells and blood vessels. The outer layer of the cerebrum - the cerebral cortex and areas deep within the brain - the basal ganglia, are made up of grey matter. See: white matter. (16 Dec 1997)

Lexicographical Neighbors of Grey Matter

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