- The gray matter of the brain and other parts of nervous system.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for cinerea
It seems as common as Arcyria cinerea, and has heretofore been included in it.The Myxomycetes of the Miami Valley, Ohio
A. P. Morgan
Nauphoeta cinerea, Australia (Mackerras and Mackerras, 1948).
An outbreak of cockroaches, Nauphoeta cinerea (Olivier), in Honolulu.
It is larger than Margarita cinerea, but somewhat resembles it.The Sea-beach at Ebb-tide
Augusta Foote Arnold
Rather this, probably, than the cinerea, for it seems not to be evergreen.