alba(redirected from Alba (Scotland))
Also found in: Dictionary.
those regions of the brain and spinal cord that are largely or entirely composed of nerve fibers and contain few or no neuronal cell bodies or dendrites.
alba/al·ba/ (al´bah) [L.] white.
literally, 'white,' as in linea alba.
white mat·ter(wīt mat'ĕr) [TA]