Effects of 4-aminopyridine on the isolated parasympathetically-innervated oesophagus of the domestic fowl chick.
D000818:Animals; D002118:Calcium / Q000502:physiology; D002645:Chickens; D004558:Electric Stimulation; D004947:Esophagus / Q000187:drug effects / Q000294:innervation; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D010275:Parasympathetic Nervous System / Q000187:drug effects; D011725:Pyridines / Q000494:pharmacology*; D013779:Tetrodotoxin / Q000494:pharmacology
D011725:Pyridines; D013779:Tetrodotoxin; D002118:Calcium