Noun pathway has 2 senses
  1. nerve pathway, tract, nerve tract, pathway - a bundle of mylenated nerve fibers following a path through the brain
    --1 is a kind of white matter, substantia alba
    --1 has particulars: peduncle, cerebral peduncle; corpus callosum
  2. pathway, footpath - a trodden path
    --2 is a kind of path
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