title: Mechanoreceptor and photoreceptor tonic integration in the crayfish.
mesh_terms: D000818:Animals; D003400:Astacoidea; D001369:Axons / Q000502:physiology; D003623:Dark Adaptation; D005724:Ganglia / Q000502:physiology; D008027:Light; D008433:Mathematics; D008465:Mechanoreceptors / Q000502:physiology*; D009129:Muscle Tonus; D010786:Photoreceptor Cells / Q000502:physiology*; D013223:Statistics as Topic