title: Ultrastructural and immunocytochemical demonstration of gametophytic proteins in the pollen tube wall of the primitive gymnosperm Cycas.
mesh_terms: D000941:Antigens / Q000032:analysis; D004591:Electrophoresis, Polyacrylamide Gel; D005455:Fluorescent Antibody Technique; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007074:Immunoglobulin G; D008854:Microscopy, Electron; D010940:Plant Proteins / Q000032:analysis*; D010944:Plants / Q000648:ultrastructure; D011058:Pollen / Q000032:analysis / Q000276:immunology / Q000648:ultrastructure*
chemical_list: D000941:Antigens; D007074:Immunoglobulin G; D010940:Plant Proteins