Differential effects of pharmacological manipulations of central alpha 1- and alpha 2-adrenergic receptors on the secretion of thyrotropin and growth hormone in male rats.

Animals Brain/metabolism Clonidine/pharmacology Dose-Response Relationship, Drug Growth Hormone/metabolism Hypothalamus/metabolism Kinetics Male Methoxamine/pharmacology Methoxyhydroxyphenylglycol/analogs & derivatives,metabolism Norepinephrine/metabolism Phenylephrine/pharmacology Prazosin/pharmacology Rats Rats, Inbred Strains Receptors, Adrenergic/physiology Receptors, Adrenergic, alpha/drug effects Receptors, Adrenergic, beta/physiology Thyrotropin/metabolism Yohimbine/pharmacology

Receptors, Adrenergic Receptors, Adrenergic, alpha Receptors, Adrenergic, beta Phenylephrine 3-methoxy-4-hydroxyphenylglycol sulfate Yohimbine Methoxyhydroxyphenylglycol Thyrotropin Growth Hormone Methoxamine Clonidine Norepinephrine Prazosin