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KMID : 0364219930360010116
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Korean Journal of Zoology
1993 Volume.36 No. 1 p.116 ~ p.122
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Immunocvtochemical Localization of Serotonergic Neurons in Suboesophageal Ganglion of Cabbage Worm Pieris rapae (Insecta, Lepidoptera)
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Shim Jae-Weon
Lee Bong-Hee
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Abstract
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An immunocytochemical investigation has been carried out to localize serotoninimmunoreactive (5-HTi) neurons in suboesophageal ganglion of fifth instar lawn of cabbage worm Pieris rupae. The 285-HTi cell bodies were identified in the rind of suboesophaseal ganglion. The four 5-HTi cell bodies of them are 18rge in size (about 35 Um), while the remaining cell bodies are medium-sized (about 15 Uml. The 5-HTi nerve processes are abundantly located in central large neuropil, circumoesophageal connectives which join the suboesophaseal ganglion to the tritocerebrum of the brain, and connectives between the suboesophageal and the first thoracic ganglia. These results indicate that the 5-HTi nerve fibers, which constitute the central large neuropil, have structural connections with the above two connectives. Especially in central large neuropil, many 5-HTi nenre fibers form a large circular bundle, in which a 5-HTi nerve fiber bundle is crossing.
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KEYWORD
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Immunocytochemica, mapping, Serotonergic neurons, Suboe-sophageal ganglion, Cabbage worm
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