Definition of phentolamine
: an adrenergic blocking agent C17H19N3O used especially in the diagnosis and treatment of hypertension due to pheochromocytoma
Origin of phentolamine
phen- + toluidine + amine
First Known Use: 1952
Medical Definition of phentolamine
: an alpha-adrenergic blocking agent that is administered by injection in the form of its mesylate C17H19N3O·CH4O3S especially in the diagnosis and treatment of hypertension due to pheochromocytoma—see regitine
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Medical Dictionary: Definition of "phentolamine"
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