…The above-mentioned cord-like projection that forms the axis of a nerve fiber is called an axon. Axons can be those that transmit stimuli away from the nerve cell body (neurites) or those that transmit stimuli toward the nerve cell body (dendrites). On the other hand, if the structure that covers the axon is a myelinated sheath, it is called a myelinated fiber, and if the corresponding structure is a Schwann sheath or at least not a myelinated sheath, it is called an unmyelinated fiber. … *Some of the terminology explanations that mention "neurite" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…神経繊維の軸をなす,上記のごとき索状の突起を軸索axonと称する。軸索をなすものは,神経細胞体から遠ざかる向きに刺激を伝えるもの(神経突起neurite)であったり,神経細胞体に近づく向きに刺激を伝えるもの(樹状突起dendrite)であったりする。一方,軸索の覆いをなす構造が髄鞘であれば有髄繊維といい,対応する構造がシュワン鞘であったり,少なくとも髄鞘ではない場合は無髄繊維という。… ※「neurite」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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