On the capacity of presynaptic alpha receptors to modulate norepinephrine release from slices of rat neocortex and the affinity of some agonists and antagonists for these receptors.

Adrenergic alpha-Agonists/metabolism Adrenergic alpha-Antagonists/metabolism Animals Cerebral Cortex/drug effects,metabolism Desipramine/pharmacology In Vitro Techniques Male Norepinephrine/metabolism Phentolamine/pharmacology Potassium/pharmacology Rats Receptors, Adrenergic/metabolism Receptors, Adrenergic, alpha/metabolism Yohimbine/pharmacology

Adrenergic alpha-Agonists Adrenergic alpha-Antagonists Receptors, Adrenergic Receptors, Adrenergic, alpha Yohimbine Potassium Desipramine Norepinephrine Phentolamine