IncretinsGastric Inhibitory PolypeptideGlucagon-Like Peptide 1Dipeptidyl-Peptidase IV InhibitorsDipeptidyl Peptidase 4Receptors, GlucagonGlucagon-Like PeptidesPurinergic P1 Receptor AgonistsSerotonin Receptor AgonistsDopamine AgonistsGastric BypassDiabetes Mellitus, Type 2GlucagonSerotonin 5-HT1 Receptor AgonistsSerotonin 5-HT2 Receptor AgonistsAdenosine A1 Receptor AgonistsHypoglycemic AgentsInsulinObesity, MorbidBariatric SurgeryInsulin-Secreting CellsBlood GlucoseGABA AgonistsAdenosine A2 Receptor AgonistsGABA-A Receptor AgonistsGABA-B Receptor AgonistsCannabinoid Receptor AgonistsSerotonin 5-HT4 Receptor AgonistsDose-Response Relationship, DrugPurinergic P2 Receptor AgonistsAdrenergic alpha-2 Receptor AgonistsPostprandial PeriodRats, Sprague-DawleyGlucoseReceptors, Opioid, kappaAdenosine A3 Receptor AgonistsHistamine AgonistsMuscarinic AgonistsAdenosineGlucose Tolerance TestReceptors, Opioid, muSerotonin Antagonists2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineAdrenergic beta-3 Receptor AgonistsReceptors, Dopamine D2PhenethylaminesNicotinic AgonistsAdrenergic AgonistsReceptors, Purinergic P1Receptors, Opioid, deltaBaclofenQuinpiroleExcitatory Amino Acid AgonistsReceptors, Dopamine D1Piperidines8-Hydroxy-2-(di-n-propylamino)tetralinBenzazepinesRats, WistarEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Receptor, Adenosine A2ACannabinoidsAdrenergic alpha-1 Receptor AgonistsAdrenergic alpha-AgonistsAdrenergic beta-AgonistsReceptors, OpioidMuscimolReceptors, SerotoninPyrrolidinesAdenosine-5'-(N-ethylcarboxamide)Radioligand AssayNaphthalenes