title: Receptor mechanism and neuronal circuit subserving gravitational responses in crayfish.
mesh_terms: D000818:Animals; D003400:Astacoidea / Q000502:physiology*; D006112:Gravitation; D007395:Interneurons / Q000502:physiology; D009046:Motor Neurons / Q000502:physiology; D012018:Reflex / Q000502:physiology