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KMID : 0385019980140020191
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Korean Journal of Laboratory Animal Science
1998 Volume.14 No. 2 p.191 ~ p.196
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Dopaminergic Neurons in the Olfactory Bulb of the Mongolian Gerbil
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김길수/Kim, Kil Soo
민성기/정영길/이남섭/원무호/Min, Seong Ki/Jeong, Young Gil/Lee, Nam Seob/Won, Moo Ho
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Abstract
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The aim of this study was to determine the neuroanatomical relationships between the catecholaminergic cell groups in the olfactory bulb of mongolian gerbil (Meriones ungtiiculatus). Distributional characteristics of the neurons displaying immunoreactivity to three catecholamine synthetic enzymes, tyrosine hydrogylase (TH), dopamine-β-hydrogylase (DBH), and phenylethanolamine- N-methyltransferase (PNMT) were ezamined in the adjacent sections of the olfactory bulb of the mongolian gerbil.
Dopaminergic neurons (TH-positive, DBH- and PNMT-negative) were localized in a number of periglomerular cells of glomerular layer, external plexiform layer and internal plexiform layer. The vast majority of such cells occurred in the glomerular layer as periglomerular cells surrounding the glomeruli. Additional cells were present in the external plexiform layer and, scattered in the internal plexiform layer. However, the dopaminergic perikarya were not found in the accessory olfactory bulb.
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