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KMID : 0385020000160030221
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Korean Journal of Laboratory Animal Science
2000 Volume.16 No. 3 p.221 ~ p.226
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Immunohistochemistry on Dopaminergic Neuron Groups A9 and A10 in the Common Marmoset(Callithrix jacchus)Midbrain
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Oh, Yang Seok
Hyun, Byung Hwa/Do, Seon Gil/Suh, Jun Gyo/Won, Moo Ho/Lee, Nam Seob/Jeong, oung Gil
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Abstract
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The distribution and characteristics of dopaminergic neurons were investigated in the substantia nigra and ventral tegmental area of the common marmoset (Callithrix jacchus) midbrain by immunohistochemical method with a tyrosine hydroxylase (TH) antibody. TH-immunoreactive neurons were distributed in the substantia nigra pars compacta (SNc: dopaminergic neuron group A9) and the ventral tegmental area (VTA: dopaminergic neuron group A10). The vast majority of TH-immunoreactive neurons were found in the SNc. Numerous THimmunoreactive neuronal cell bodies were located in the caudal part of the SNc. Most TH-immunoreactive neurons of the SNc were multipolar in shape and large in size. In the VTA, TH-immunoreactive neurons were grouped in a triangular zone located dorsal to the interpeduncular nucleus, medial to the substantia nigra and ventral to the oculomotor nucleus. Most TH-imunoreactive neurons of the VTA were oval or round in shape, and small in size. These data would provide a morphological basis for future studies about the dopaminergic neuronal system in primate brains.
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