A cardiac sympathetic pathway not blocked by tetraethylammonium.
D000641:Ammonia; D064751:Ammonium Compounds; D006321:Heart; D000644:Quaternary Ammonium Compounds; D019789:Tetraethylammonium
D064751:Ammonium Compounds; D000644:Quaternary Ammonium Compounds; D019789:Tetraethylammonium; D000641:Ammonia
AMMONIA AND AMMONIUM COMPOUNDS; NERVES