microinjection of the cholinoceptor agonists , pilocarpine and carbachol into ndr elicited bradycardia and hypotension accompanied by salivation which could be blocked by local pretreatment with ethybenztropine ( a muscarinic receptor blocker ) , but not by chlorisondamine ( a nicotinic receptor blocker ) .
C3536927
cholinoceptor agonists
C0031923
pilocarpine