| gray substance; matter, gray; matter, grey; substance, grey | เนื้อเทา [แพทยศาสตร์ ๖ ส.ค. ๒๕๔๔] |
| grey matter | (n) greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons, Syn. substantia grisea, gray matter, grey substance, gray substance |