title: EFFECT OF CALCIUM AND SODIUM IONS ON POTASSIUM INDUCED CONTRACTURE AND TWITCH TENSION DEVELOPMENT OF THE RETRACTOR PHARYNX MUSCLE OF A SNAIL.
mesh_terms: D000818:Animals; D002118:Calcium; D002794:Choline; D003286:Contracture; D004558:Electric Stimulation; D004594:Electrophysiology; D006372:Helix, Snails; D007474:Ion Exchange; D007477:Ions; D009132:Muscles; D010609:Pharyngeal Muscles; D011188:Potassium; D012106:Research; D012908:Snails; D012964:Sodium; D013395:Sucrose
chemical_list: D007477:Ions; D013395:Sucrose; D012964:Sodium; D002794:Choline; D011188:Potassium; D002118:Calcium
keywords: CALCIUM; CHOLINE; ELECTRIC STIMULATION; ELECTROPHYSIOLOGY; EXPERIMENTAL LAB STUDY; ION EXCHANGE; MUSCLES; POTASSIUM; SNAILS; SODIUM; SUCROSE