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Neurons within the compound eye of the flyCalliphora erythrocephala, suspected of containing gamma-aminobutyric acid were revealed immunocytochemically, using antibodies directed against gamma-aminobutyric acid (GABA) and glutamic acid decarboxylase (GAD). The GABA content within putative GABAergic neurons was increased by high affinity uptake of GABA and(More)
The cellular distribution of Angiotensin II (ANGII) in the chicken retina was studied by immunocytochemical methods. Three different antibodies directed against ANGII revealed a distinct subpopulation of ANGII-positive amacrine cells. Their cell bodies were located in the innermost rows of the inner nuclear layer (INL). ANGII-positive cell bodies also were(More)
The distribution of putative cholinergic neurons in the lamina of the blowfly Calliphora erythrocephala was studied by immunocytochemical and histochemical methods. Three different antibodies directed against the AChsynthesizing enzyme, choline acetyltransferase (ChAT), revealed a cholinergic population of fibres running parallel to the laminar cartridges,(More)
BACKGROUND Tyrosine hydroxylase (TH) like immunoreactivity was investigated in frozen sections and in whole mounts of the chicken and bovine retina in order to investigate the distribution and role of dopaminergic structures in retinal circuiting. METHODS By means of monoclonal antibodies against tyrosine hydroxylase the dopaminergic retinal structures(More)
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