title: How Euglena tells up from down [letter].
authors.forename: M
authors.initials: M
authors.lastname: Lebert
authors.forename: D P
authors.initials: DP
authors.lastname: Hader
mesh_terms: D000818:Animals; D003470:Culture Media; D005056:Euglena gracilis / Q000166:cytology / Q000187:drug effects / Q000502:physiology*; D005362:Ficoll / Q000494:pharmacology; D005682:Gadolinium / Q000494:pharmacology; D018466:Gravity Sensing / Q000187:drug effects* / Q000502:physiology; D007473:Ion Channels / Q000187:drug effects; D008564:Membrane Potentials / Q000187:drug effects; D009043:Motor Activity; D009068:Movement / Q000187:drug effects*; D009861:Onium Compounds / Q000494:pharmacology*; D009949:Orientation / Q000187:drug effects*; D014320:Triphenylmethyl Compounds / Q000494:pharmacology*
chemical_list: D003470:Culture Media; D007473:Ion Channels; D009861:Onium Compounds; D014320:Triphenylmethyl Compounds; C011561:triphenylmethylphosphonium; D005362:Ficoll; D005682:Gadolinium