substantia alba


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Noun1.substantia alba - whitish nervous tissue of the CNS consisting of neurons and their myelin sheaths
nerve tissue, nervous tissue - tissue composed of neurons
fibrous astrocyte - star-shaped cells with long processes; found in the white matter of the brain and spinal cord
nerve pathway, nerve tract, pathway, tract - a bundle of myelinated nerve fibers following a path through the brain
central nervous system, CNS, systema nervosum centrale - the portion of the vertebrate nervous system consisting of the brain and spinal cord