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Electron microscopy of glandular samples from the group treated with BoNT/A in combination with BoNT/B: (a) acinar cells, × 2710; (b) intercalated duct adjacent to an acinar cell, × 2710; (c and d) striated granular cell, × 2710; (e) striated granular cells, × 5450; (f) nerve, × 11100. Abbreviations: A, acinar cell; BoNT, botulinum toxin; G, granula; L, lumen; Mi, mitochondria; N, nerve; Nu, nucleus. Arrows in (d) point to desmosomes, arrow heads in (e) point to glycogen emplacements.
