title: Ultrastructure and origin of epicuticular wax tubes.
mesh_terms: D002523:Edible Grain; D004777:Environment; D005796:Genes; D007659:Ketones; D008854:Microscopy, Electron; D010772:Phosphotungstic Acid; D059828:Plant Cells; D010944:Plants / Q000378:metabolism; D013194:Staining and Labeling; D014908:Triticum; D014885:Waxes / Q000378:metabolism*
chemical_list: D007659:Ketones; D014885:Waxes; D010772:Phosphotungstic Acid