Abstract
Immunocytochemical techniques were used to examine the distribution of several putative peptidergic and aminergic neurotransmitters within the various subdivisions of the rat lateral geniculate nucleus (LG). Neuronal cell bodies, immunoreactive for enkephalin and neuropeptide Y and neuronal fibers immunoreactive for enkephalin, neuropeptide Y, substance P, vasoactive intestinal polypeptide and 5-HT were each localized within distinct subdivisions of the LG. These results suggest that the anatomical and functional differences of LG neurons are also reflected by differences in the transmitters which they utilize.
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Bombesin / analysis
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Cholecystokinin / analysis
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Enkephalins / analysis
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Geniculate Bodies / analysis*
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Geniculate Bodies / cytology
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Male
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Nerve Tissue Proteins / analysis
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Neuropeptide Y
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Neurotensin / analysis
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Neurotransmitter Agents / analysis*
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Rats
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Rats, Inbred Strains
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Serotonin / analysis
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Somatostatin / analysis
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Substance P / analysis
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Vasoactive Intestinal Peptide / analysis
Substances
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Enkephalins
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Nerve Tissue Proteins
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Neuropeptide Y
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Neurotransmitter Agents
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Serotonin
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Substance P
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Vasoactive Intestinal Peptide
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Neurotensin
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Somatostatin
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Cholecystokinin
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Bombesin