Noun substantia alba has 1 sense
  1. white matter, substantia alba - whitish nervous tissue of the CNS consisting of neurons and their myelin sheaths
    --1 is a kind of nervous tissue, nerve tissue
    --1 is a substance of central nervous system, CNS, systema nervosum centrale
    --1 has parts: fibrous astrocyte
    --1 has particulars: nerve pathway, tract, nerve tract, pathway
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