Immunohistochemical study of the nervous system in earthworm (Lumbricus terrestris L.).

I. Lengvári, M. Csoknya, I. Merchenthaler, J. Hámori

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In the present work it we describe serotonin, noradrenaline, proctolin, neuropeptide Y, substance P, and calcitonin gene related peptide immunoreactive structures in earthworm. A few large serotonin immunoreactive perikarya are located in brain and in the stomatogasric ganglia and many of them in the segmental ganglia. A serotonin immunoreactive fiber plexus can be seen beneath the epithelium of the body wall, both the sensory papillae and chaetae contain serotonin immunoreactive elements. Some of the sensory cells are serotonin immunoreactive, too. A serotonin immunoreactive network can ben found in the enteric network of the fore- and mid-gut. Only a few noradrenaline immunoreactive cells are observed in the caudal part of the brain, while their number in the segmental ganglia is high. Proctolin-, and substance P immunoreactive cells are small and numerous in the brain without any preference in their location. Such nerve cells are widely distributed in the ganglia of the stomatogastric system, in the subesophageal and in segmental ganglia. Many surface epithelial (probably sensory) cells are proctolin immunoreactive. Substance P immunoreactive nerve cells can also be located in the entire length of the enteric plexus together with substance P immunoreactive fibers. No neuropeptide Y- or calcitonin gene related peptide immunoreactive structures can be seen in the brain. A relative small number of neuropeptide Y- and calcitonin gene related peptide immunoreactive perikarya, and a rich network of neuropeptide Y- and calcitonin gene related peptide immunoreactive fibers can be detected in the subesophageal ganglion. According to preliminary studies, neuropeptide Y is probably co-localized with serotonin.

Original languageEnglish
Pages (from-to)253-258
Number of pages6
JournalActa Biologica Hungarica
Volume43
Issue number1-4
Publication statusPublished - 1992

Fingerprint

Lumbricus terrestris
Oligochaeta
Neurology
nervous system
earthworms
serotonin
earthworm
peptide
Nervous System
neuropeptide Y
brain
proctolin
Serotonin
Ganglia
Neuropeptide Y
substance P
Calcitonin Gene-Related Peptide
Substance P
gene
Brain

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Immunohistochemical study of the nervous system in earthworm (Lumbricus terrestris L.). / Lengvári, I.; Csoknya, M.; Merchenthaler, I.; Hámori, J.

In: Acta Biologica Hungarica, Vol. 43, No. 1-4, 1992, p. 253-258.

Research output: Contribution to journalArticle

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