grey matter gray matter grey substance gray substance substantia grisea
grey_matter%1:08:00:: gray_matter%1:08:00:: grey_substance%1:08:00:: gray_substance%1:08:00:: substantia_grisea%1:08:00::
siva možganovina siva substanca
greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons