title: Avian uropygial (preen) gland.
mesh_terms: D000818:Animals; D002458:Cell Fractionation; D005777:Geese; D006120:Grooming; D050356:Lipid Metabolism; D008854:Microscopy, Electron; D012627:Sebaceous Glands / Q000502:physiology* / Q000648:ultrastructure; D008055:Lipids
chemical_list: D008055:Lipids