Last Updated
：2025/11/21
nerve cord
Noun
Japanese Meaning
脊索（せきさく）の上に位置する、背側の神経組織からなる管状の構造。 / 脊索上にある神経索。特に脊椎動物において、中枢神経系の一部を形成する重要な構造。
（ plural ）
Quizzes for review
(anatomy) A dorsal tubular cord of nervous tissue above the notochord of a chordate.
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nerve cord
During embryogenesis, the nerve cord forms above the notochord and later differentiates into the central nervous system in many chordates.
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During embryogenesis, the nerve cord forms above the notochord and later differentiates into the central nervous system in many chordates.
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