title: The caudal photoreceptor of crayfish. A review.
mesh_terms: D000009:Abdominal Muscles / Q000294:innervation / Q000502:physiology; D000818:Animals; D003400:Astacoidea / Q000502:physiology*; D002420:Cauda Equina / Q000502:physiology*; D002940:Circadian Rhythm; D007858:Learning; D008124:Locomotion; D009046:Motor Neurons / Q000502:physiology; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology*; D013696:Temperature; D013997:Time Factors