GhrelinReceptors, GhrelinPeptide HormonesInterleukin 1 Receptor Antagonist ProteinNeurokinin-1 Receptor AntagonistsPurinergic P1 Receptor AntagonistsRats, Sprague-DawleyHistamine H2 AntagonistsPiperidinesSerotonin 5-HT3 Receptor AntagonistsDose-Response Relationship, DrugExcitatory Amino Acid AntagonistsAngiotensin Receptor AntagonistsDopamine AntagonistsSerotonin 5-HT2 Receptor AntagonistsAdenosine A2 Receptor AntagonistsHormone AntagonistsAdenosine A1 Receptor AntagonistsRats, WistarPurinergic P2 Receptor AntagonistsNarcotic AntagonistsHistamine H1 AntagonistsReceptors, EndothelinMuscarinic AntagonistsGABA-A Receptor AntagonistsHistamine AntagonistsSerotonin AntagonistsGABA AntagonistsSialoglycoproteinsLeukotriene AntagonistsReceptor, Endothelin AReceptors, SerotoninReceptors, N-Methyl-D-AspartateSerotonin 5-HT1 Receptor AntagonistsDizocilpine MaleateReceptors, Interleukin-1Biphenyl CompoundsAdrenergic alpha-1 Receptor AntagonistsTetrazolesBenzazepinesNicotinic AntagonistsXanthinesReceptors, G-Protein-CoupledInjections, IntraventricularSerotonin Receptor AgonistsHistamine H3 AntagonistsPeptides, CyclicPyrazolesAdrenergic alpha-2 Receptor AntagonistsPyridinesEndothelin-1Guinea PigsDrug InteractionsEatingRadioligand AssayIndolesSubstance PSulfonamidesLosartanGABA-B Receptor AntagonistsAppetiteReceptors, BradykininCimetidineReceptor, Endothelin BBehavior, AnimalAdenosine A3 Receptor AntagonistsSerotoninReceptors, Neurokinin-1AzepinesPurinergic P2X Receptor AntagonistsDevazepideReceptors, CholecystokininReceptor, Cannabinoid, CB1Cells, CulturedFamotidineReceptors, VasopressinNeuronsPyrrolidinesStomachSerotonin 5-HT4 Receptor Antagonists2-Amino-5-phosphonovalerateKetanserinOligopeptidesTime FactorsQuinoxalinesBinding, CompetitivePiperazinesReceptors, ThromboxaneBenzimidazolesNaltrexoneReceptors, Dopamine D2Adrenergic alpha-AntagonistsBradykininReceptors, Neurokinin-2Cannabinoid Receptor AntagonistsAdenosineElectric StimulationNaloxoneDisease Models, AnimalHistamine