Histological characterization of lip and tentacle nerves in Lymnaea stagnalis

Hiroshi Nakamura, Iori Ito, Satoshi Kojima, Yutaka Fujito, Hideo Suzuki, Etsuro Ito*

*この研究の対応する著者

研究成果: Article査読

30 被引用数 (Scopus)

抄録

The lip and tentacle nerves of the pond snail, Lymnaea stagnalis, were characterized using histological techniques. Anatomical drawings showed the detailed distributions of the superior lip, median lip, and tentacle nerves in the lip and tentacle; in particular it was found that the mouth is mainly innervated by the superior lip nerve. The tentacle nerve was clarified to form a zigzag structure along the extension direction in a shrinking tentacle. By backfilling of the superior lip nerve and/or the median lip nerve with fluorescent dyes, the neurons in the CNS made some clusters, whereas those stained from the tentacle nerve made other clusters. These stained neurons were not part of the central pattern generator or its regulatory neurons for feeding. The present results, therefore, suggest that the superior lip nerve may be employed as a principal factor in the chemosensory transduction from the mouth, and that no direct inputs occur through the lip and tentacle nerves to the central pattern generator or its regulatory neurons for feeding.

本文言語English
ページ(範囲)127-136
ページ数10
ジャーナルNeuroscience Research
33
2
DOI
出版ステータスPublished - 1999 2月 1
外部発表はい

ASJC Scopus subject areas

  • 神経科学(全般)

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