title: Anatomical and physiological characteristics of pineal photoreceptor cell in the larval lamprey, Petromyzon marinus.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D003624:Darkness; D005399:Fishes / Q000254:growth & development*; D007798:Lampreys / Q000254:growth & development*; D007814:Larva / Q000033:anatomy & histology / Q000502:physiology*; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000166:cytology / Q000502:physiology*; D010870:Pineal Gland / Q000166:cytology*