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Immunohistochemical Localization of the Glutamatergic GABAergic, Dopaminergic, Acetycholinergic and Serotonergic Neurons in the Visceral Ganglion and Cerebral Ganglion of the Bivalve Cristaria Plicata

Author: XiaoZuo
Tutor: WuXiaoPing
School: Nanchang University
Course: Zoology
Keywords: Cristaria plicata Visceral ganglion Cerebral ganglion Glutamate γ-aminobutyric acid Dopamine Acetylcholine Serotonin Immunohistochemistry
CLC: S917.4
Type: Master's thesis
Year: 2011
Downloads: 24
Quote: 0
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Abstract


Crist aria plicata (Leach) is one of the typical freshwater pearl mussel in China, which distributed widely on lakes and rivers in China. Cristaria plicata is one of the most important species for pearl cultureing. Using Hematoxylin-eosin staining procedure and SP immunohistochemical method, we have investigated the localization and morphology of glutamate, y-aminobutyric acid, dopamine, acetycholine and 5-Hydroxytryptamine (5-HT) in the visceral ganglion and cerebral ganglion of Cristaria Plicata.The present results indicate that both visceral ganglion and cerebral ganglion have three parts that are a surrounding sheath, a region of cell bodies and a legion of central neuropile. Cytoplasmic process from neurons in the ganglia enters central neuropile. According to their sizes, the neurons in the visceral ganglion can be divided into three classes:small neurons (5～15μm), intermediate neurons (15～35μm) and large neurons(35～50μm); and the neurons in the cerebral ganglion can be classed into small neurons (5～15μm), and intermediate neurons (15～35μm)Both visceral ganglion and cerebral ganglion of the Cristaria plicata contains glutamatergic, GABAergic, dopaminergic, acetycholinergic and serotonergic neurons, and most of the immunoreactive neurons are often arranged in clusters or rows distributed among unreactive cells, but the quantity and density of these neurons are different. In the visceral ganglion, Glutamatergic, GABAergic and dopaminergic neurons were mainly small ones, acetycholinergic neurons were medium size, and serotonergic neurons were of different sizes, most of them being large or medium, and a few small. Dopaminergic cells were widely distributed in the whole cortex and acetycholinergic neurons near the pallial nerves and the roots of branchial nerves. GABAergic fibers could be seen in the central neuropil. The cerebral ganglion contains numerous glutamate and GABAergic neurons and a small number of dopamine with relatively samll cell body, but scattered acetylcholine and serotonin neurons with pint-size cells.

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CLC: > Agricultural Sciences > Aquaculture, fisheries > Aquatic basic science > Aquatic Biology > Aquatic Zoology
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