title: The influence of environmental lighting on the amphibian pars intermedia: receptors and possible pathways.
mesh_terms: D000220:Adaptation, Biological; D000818:Animals; D008029:Lighting; D009074:Melanocyte-Stimulating Hormones / Q000502:physiology; D009434:Neural Pathways / Q000502:physiology; D010902:Pituitary Gland / Q000294:innervation*; D011894:Rana pipiens / Q000502:physiology*; D012160:Retina / Q000033:anatomy & histology; D011984:Sensory Receptor Cells / Q000502:physiology*
chemical_list: D009074:Melanocyte-Stimulating Hormones