title: Endocytosis of polystyrene spheres by tobacco leaf protoplasts.
mesh_terms: D000963:Antimetabolites / Q000494:pharmacology; D003080:Cold Temperature; D003864:Depression, Chemical; D004705:Endocytosis; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D008863:Microspheres; D009952:Ornithine / Q000494:pharmacology; D010947:Plants, Toxic; D011108:Polymers / Q000494:pharmacology; D011137:Polystyrenes / Q000378:metabolism*; D011523:Protoplasts / Q000378:metabolism* / Q000648:ultrastructure; D014026:Nicotiana / Q000378:metabolism* / Q000648:ultrastructure
chemical_list: D000963:Antimetabolites; D011108:Polymers; D011137:Polystyrenes; D009952:Ornithine