title: Removing bicarbonate/CO2 reduces the cGMP concentration of the vertebrate photoreceptor to the levels normally observed on illumination.
mesh_terms: D000818:Animals; D001639:Bicarbonates / Q000494:pharmacology*; D002024:Bufo marinus; D002245:Carbon Dioxide / Q000494:pharmacology*; D006152:Cyclic GMP / Q000378:metabolism*; D008027:Light; D010786:Photoreceptor Cells / Q000187:drug effects* / Q000528:radiation effects; D012160:Retina / Q000187:drug effects
chemical_list: D001639:Bicarbonates; D002245:Carbon Dioxide; D006152:Cyclic GMP