HypophysectomyPituitary GlandHypophysectomy, ChemicalGrowth HormoneAdrenocortical HyperfunctionProlactinAdrenal GlandsPituitary HormonesAdrenocorticotropic HormoneAdrenalectomyPituitary-Adrenal Function TestsPergolideRats, Inbred StrainsPituitary IrradiationCastrationAdenoma, ChromophobePituitary DiseasesThyroxinePituitary Hormones, AnteriorCosyntropinOrgan SizeCorticosteroneLiverGonadotropins, PituitaryTestosteroneSphenoid BoneDiabetes Insipidus, NeurogenicVasopressinsThyrotropin-Releasing HormoneEndocrine GlandsProgesteroneTestisLuteinizing HormoneThyroidectomySheepSupraoptic NucleusCorpus LuteumOrchiectomy