title: Physiological roles of calcium in light-induced gravitropism in Zea primary roots.
mesh_terms: D002118:Calcium / Q000502:physiology; D006112:Gravitation; D008027:Light; D009068:Movement; D010937:Plant Growth Regulators / Q000502:physiology; D018521:Plant Physiological Phenomena; D003313:Zea mays / Q000502:physiology
chemical_list: D010937:Plant Growth Regulators; D002118:Calcium