上じょう行こう路ろ

noun

ascending tract

Anatomical term for a bundle of nerve fibers that carries sensory information upward through the spinal cord or brainstem.

• 脊せき髄ずいの上じょう行こう路ろは、痛いたみや温おん度どの感かん覚かくを脳のうへ伝つたえる。

  Ascending tracts in the spinal cord carry sensations of pain and temperature to the brain.