The histopathological structure as well as content and distribution of mucosubstances in the mid-gut mucosa of the honeybee (Apis mellifera) treated with the phyto-pharmacological preparation Nozevit was studied. For the purpose of describing neutral, acid and sulphate mucopolysaccharides we used the Periodic Acid-Schiff Reaction (PAS), Alcian blue-specific (pH = 1.0 and 2.5) and Toluidine blue...
