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Indian J Physiol Pharmacol ; 1992 Jan; 36(1): 65-9
Article in English | IMSEAR | ID: sea-106965

ABSTRACT

Vascular autonomic receptors in amphibians exhibit difference from more evolved mammalian species. Vascular perfusion studies in frog indicate constrictions by prominent muscarinic but rudimentary nicotinic constrictive regulation by cholinergic systems. Difference from classical effect-patterns of pharmacological interventions, observed in the study, make room to visualise complexity of additional regulatory mechanisms.


Subject(s)
Adrenergic alpha-Antagonists/pharmacology , Animals , Autonomic Nerve Block , Autonomic Nervous System/drug effects , Blood Vessels/drug effects , Choline/analogs & derivatives , Cholinergic Fibers/drug effects , Dose-Response Relationship, Drug , Drug Interactions , Esters/pharmacology , Female , Ganglia, Autonomic/drug effects , Male , Models, Biological , Muscarinic Antagonists , Ranidae/physiology , Vasoconstrictor Agents/pharmacology
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