A functional basis for classification of alpha-adrenergic receptors.

Adrenal Medulla/metabolism Adrenergic alpha-Agonists/pharmacology Animals Body Temperature Regulation Brain/metabolism Dose-Response Relationship, Drug Kidney/metabolism Melanins/metabolism Melanocyte-Stimulating Hormones/antagonists & inhibitors Muscle, Smooth/metabolism Nerve Endings/metabolism Norepinephrine/metabolism Parasympathetic Nervous System/metabolism Receptors, Adrenergic/physiology Receptors, Adrenergic, alpha/physiology Renin/metabolism Skin Pigmentation Sympathetic Nervous System/metabolism Synaptic Membranes/metabolism Vasoconstriction

Adrenergic alpha-Agonists Melanins Receptors, Adrenergic Receptors, Adrenergic, alpha Melanocyte-Stimulating Hormones Renin Norepinephrine