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单词 substantia nigra
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sub•stan•ti•a ni•gra  (səb stanshē ə nīgrə, nigrə),USA pronunciation pl. sub•stan•ti•ae ni•grae (sub stanshē ē′ nīgrē, nigrē),USA pronunciation substantia nigras. 
  1. Anatomya deeply pigmented area of the midbrain containing dopamine-producing nerve cells.
  • Neo-Latin: black substance
  • 1880–85

Collins Concise English Dictionary © HarperCollins Publishers::
substantia nigra /səbˈstænʃə ˈnaɪɡrə/ n
  1. a layer of grey matter in the brain that produces dopamine and contains pigmented nerve cells, loss of which has been associated with Parkinson's disease
Etymology: 20th Century: from Latin, literally: dark material
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更新时间:2025/2/23 12:41:43