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Fig. 3. {alpha}7-nAChRs are also present in myenteric plexus, but their distribution is not as ubiquitous as in the submucous plexus. (A,C) Red (Alexa 594-conjugated mAb 210, 7 nmol l–1) and green (17 nmol l–1 mAb 306/FITC-conjugated goat-anti-mouse 1:1000) channels of a confocal micrograph taken from a myenteric ganglion double-stained for {alpha}3/{alpha}5- and {alpha}7-containing nAChRs. (B) Combined immunofluorescence from A and C. In A–C, the arrow points to a cell that expresses {alpha}3/{alpha}5- but not {alpha}7-nAChRs. The upward arrow head points to a cell that expresses {alpha}7- but not {alpha}3/{alpha}5-nAChRs. The downward arrow head points to a cell that expresses both types of nAChRs. Scale bar, 50 µm.





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