title: AN EFFLUX OF NINHYDRIN-POSITIVE MATERIAL ASSOCIATED WITH THE OPERATION OF THE NA+ PUMP IN INTACT CRAB NERVE IMMERSED IN NA+-FREE SOLUTIONS.
mesh_terms: D000596:Amino Acids; D000818:Animals; D002118:Calcium; D003445:Crustacea; D004594:Electrophysiology; D007202:Indicators and Reagents; D007477:Ions; D007552:Isotonic Solutions; D008274:Magnesium; D008660:Metabolism; D009474:Neurons; D009555:Ninhydrin; D011188:Potassium; D012106:Research; D012964:Sodium
chemical_list: D000596:Amino Acids; D007202:Indicators and Reagents; D007477:Ions; D007552:Isotonic Solutions; D012964:Sodium; D009555:Ninhydrin; D008274:Magnesium; D011188:Potassium; D002118:Calcium
keywords: AMINO ACIDS; CALCIUM; CRUSTACEA; ELECTROPHYSIOLOGY; EXPERIMENTAL LAB STUDY; INDICATORS AND REAGENTS; ISOTONIC SOLUTIONS; MAGNESIUM; METABOLISM; NEURONS; POTASSIUM; SODIUM