albocinereous

al·bo·ci·ne·re·ous

(al'bō-si-nē'rē-ŭs),
Relating to both the white and the gray matter of the brain or spinal cord.
[L. albus, white, + cinereus, ashen, fr. cinis (ciner-), ashes]

albocinereous

Referring to grey and white, as in the albocinereous junction in the brain; used in research in pathology and imaging.