…A groove, the sulcus limitans, runs from posterior to anterior along the inner surface of the lateral wall of the neural tube, reaching the midbrain, and although its destination is unclear, it is thought to terminate on the floor of the diencephalon. According to W. His and C. J. Herrick, the ventral side of the sulcus limitans corresponds to the motor nerves-sensory nerves and the autonomic nerves-cerebrospinal nerves in the peripheral nervous system, the sensory region is located dorsally, the part along the sulcus limitans is visceral, and the part away from it is somatic. This basic design is most clearly shown in sharks, where the sensory region varies more significantly from species to species than the motor region. … *Some of the terminology explanations that mention "Herrick, CJ" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…神経管の側壁内面を一つの溝すなわち境界溝sulcus limitansが後方から前方に走り,中脳に達し,その先は不明りょうであるが,間脳の床に終わると想像される。ヒスW.HisとヘリックC.J.Herrickによると,末梢神経系における運動神経‐知覚神経,および自律神経‐脳脊髄神経に対応して,境界溝から腹側は運動区,背側は知覚区,境界溝に沿った部分は臓性visceralで,離れた部分は体性somaticである。この基本設計はサメ類で最も明りょうに示され,知覚区は運動区に比べて種による変異が著しい。… ※「Herrick,C.J.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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