title: Greater pineal volume at higher latitudes in Rodentia: exponential relationship and its biological interpretation.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D005843:Geography; D008027:Light; D010870:Pineal Gland / Q000033:anatomy & histology* / Q000502:physiology; D012044:Regression Analysis; D012377:Rodentia / Q000502:physiology*; D013696:Temperature