Glutamate-induced deporalization in earthworm ventral nerve cord.

Abstract:

:We investigated glutamate-induced neuron response in the ventral nerve cord of the earthworm (Eisenia foetida) using a voltage-sensitive dye-imaging technique. Isolated earthworm ganglia were stained by fluorescence voltage-sensitive dye, RH414, and voltage image was acquired by a conventional charge-coupled device (CCD) technique or a confocal laser scanning microscope. The fluorescence images before and during the glutamate stimulation was acquired and the relative fluorescence change was imaged as pseudo-color. Bath-applied glutamate (1 mM) depolarized many neurons on the ventral side, and in the three giant fibers on the dorsal side.

journal_name

Neurosci Lett

journal_title

Neuroscience letters

authors

Oka K,Ogawa H,Fujita S

doi

10.1016/0304-3940(94)90930-x

subject

Has Abstract

pub_date

1994-09-26 00:00:00

pages

41-4

issue

1-2

eissn

0304-3940

issn

1872-7972

pii

0304-3940(94)90930-X

journal_volume

179

pub_type

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