Calcium in smooth muscle from the opossum esophagus.
D000818:Animals; D002118:Calcium / Q000378:metabolism*; D004943:Esophagogastric Junction; D004947:Esophagus; D007700:Kinetics; D009130:Muscle, Smooth / Q000378:metabolism*; D009893:Opossums / Q000033:anatomy & histology / Q000378:metabolism*
D002118:Calcium