Propranolol blocks the extrasynaptic nicotinic receptors on the intramural cardiac ganglion cells.
D000818:Animals; D005726:Ganglia, Parasympathetic / Q000187:drug effects*; D006168:Guinea Pigs; D006321:Heart / Q000294:innervation*; D066298:In Vitro Techniques; D011433:Propranolol / Q000494:pharmacology*; D011978:Receptors, Nicotinic / Q000187:drug effects*; D013569:Synapses
D011978:Receptors, Nicotinic; D011433:Propranolol