title: [Morphological changes of pollen in digestive processes].
mesh_terms: D004063:Digestion; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010434:Pepsin A / Q000494:pharmacology; D011058:Pollen; D014357:Trypsin / Q000494:pharmacology
chemical_list: D014357:Trypsin; D010434:Pepsin A