Facilitation of the release of noradrenaline and dopamine- -hydroxylase at low stimulation frequencies by  -blocking agents.
D000317:Adrenergic alpha-Antagonists / Q000494:pharmacology; D000818:Animals; D004285:Dogs; D004299:Dopamine beta-Hydroxylase / Q000378:metabolism; D004558:Electric Stimulation; D066298:In Vitro Techniques; D007552:Isotonic Solutions; D006899:Mixed Function Oxygenases / Q000378:metabolism*; D009638:Norepinephrine / Q000378:metabolism*; D010477:Perfusion; D010643:Phenoxybenzamine / Q000494:pharmacology*; D010646:Phentolamine / Q000494:pharmacology*; D013154:Spleen / Q000294:innervation / Q000502:physiology*; D013157:Splenic Artery; D013268:Stimulation, Chemical
D000317:Adrenergic alpha-Antagonists; D007552:Isotonic Solutions; D010643:Phenoxybenzamine; D006899:Mixed Function Oxygenases; D004299:Dopamine beta-Hydroxylase; D009638:Norepinephrine; D010646:Phentolamine