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Distribution of neurons with high-affinity uptake sites for GABA in the myenteric plexus of the guinea-pig, rat and chicken

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Summary

The occurrence of neurons possessing high-affinity uptake sites for GABA was studied in the myenteric plexus of the guinea-pig ileum, caecum, and proximal and distal colon, the rat proximal colon, and the chicken gizzard with the use of 3H-GABA and autoradiography. Experiments were carried out on plexuses that had been freshly isolated from the gut wall or on isolated plexuses that had been maintained as expiant cultures for 7 to 14 days. Scattered neurons selectively labelled with 3H-GABA were found in the myenteric plexuses from all the areas examined. The results suggest that GABAergic neurons are widely distributed in the enteric nervous system.

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Saffrey, M.J., Marcus, N., Jessen, K.R. et al. Distribution of neurons with high-affinity uptake sites for GABA in the myenteric plexus of the guinea-pig, rat and chicken. Cell Tissue Res. 234, 231–235 (1983). https://doi.org/10.1007/BF00217417

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  • DOI: https://doi.org/10.1007/BF00217417

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