Selective retrograde labeling of cholinergic neurons with (/sup 3/H)choline
Evidence is presented which is consistent with a specific retrograde labeling of cholinergic neurons following (/sup 3/H)choline application in their zone of termination. (/sup 3/H)Choline injection in the rat hippocampus leads to perikaryal retrograde labeling in the ipsilateral medial septal nuclease and nucleus of the diagonal band, thus delineating an established cholinergic pathway, while only diffuse presumably anterograde labeling was observed in the lateral septum, the entorhinal cortex, and the opposite hippocampus. After (/sup 3/H)choline injection in the pigeon visual Wulst, only the ipsilateral thalamic relay, of all inputs, showed similar perikaryal retrograde labeling, an observation supporting the suggestion that at least some thalamo-Wulst neurons are cholinergic.
- Research Organization:
- Brain Research Institute, University of Zurich, Switzerland
- OSTI ID:
- 6853721
- Journal Information:
- J. Neurosci.; (United States), Vol. 1:7
- Country of Publication:
- United States
- Language:
- English
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