HypophysectomyPituitary GlandHypophysectomy, ChemicalGrowth HormoneAdrenocortical HyperfunctionProlactinAdrenal GlandsPituitary HormonesAdrenocorticotropic HormoneAdrenalectomyPituitary-Adrenal Function TestsPergolideRats, Inbred StrainsPituitary IrradiationCastrationAdenoma, ChromophobePituitary DiseasesThyroxinePituitary Hormones, AnteriorCosyntropinCorticosteroneOrgan SizeGonadotropins, PituitarySphenoid BoneTestosteroneDiabetes Insipidus, NeurogenicLiverVasopressinsThyrotropin-Releasing HormoneProgesteroneLuteinizing HormoneTestisEndocrine GlandsThyroidectomySupraoptic NucleusCorpus LuteumOrchiectomy