The gut of silver eels (Anguilla anguilla L. ) was investigated in order to describe both the cholinergic and adrenergic intramural innervations. and the localization of possible accessory neuromediators. Histochemical reactions for the demonstration of nicotinamide adenine dinucleotide phosphate. https://www.nacrack.com/quick-grab-Chainsaw-File-super-grab/