HypothalamusNeuronsBlood VesselsVentromedial Hypothalamic NucleusNeurons, AfferentHypothalamus, MiddleHypothalamus, PosteriorAgouti-Related ProteinPro-OpiomelanocortinHypothalamic Area, LateralHypothalamus, AnteriorMotor NeuronsNeuropeptidesAnterior Hypothalamic NucleusHypothalamic HormonesArcuate NucleusPreoptic AreaAction PotentialsRats, Sprague-DawleyCells, Culturedgamma-Aminobutyric AcidPatch-Clamp TechniquesParaventricular Hypothalamic NucleusOrexin ReceptorsImmunohistochemistryPituitary HormonesGonadotropin-Releasing HormoneLymphatic VesselsElectrophysiologyRetinal VesselsNeuropeptide YRats, WistarSupraoptic NucleusLeptinSynaptic TransmissionMembrane PotentialsReceptors, NeuropeptideMice, Inbred C57BLMedian EminenceSynapsesNeural InhibitionBicucullineOxytocinSignal TransductionEatingReceptors, LeptinMice, TransgenicAnimals, NewbornEvoked PotentialsCorticotropin-Releasing HormoneNerve Tissue ProteinsBrainRNA, MessengerElectric StimulationNeovascularization, PhysiologicTime FactorsMelanocortinsCalciumDopaminergic NeuronsTetrodotoxinMice, KnockoutNeovascularization, PathologicGlutamic AcidVasopressins6-Cyano-7-nitroquinoxaline-2,3-dioneIn Situ Hybridizationalpha-MSHAnorexiaRats, Inbred StrainsGABA AntagonistsMelaninsCoronary VesselsEnergy MetabolismAppetite RegulationIntracellular Signaling Peptides and ProteinsNeurosecretory SystemsPotassium ChannelsEndothelium, VascularReceptors, GABA-AMelanocyte-Stimulating HormonesGABAergic NeuronsPituitary GlandAxonsExcitatory Amino Acid AntagonistsDose-Response Relationship, DrugEmbryo, MammalianHippocampusPeptide Hormones2-Amino-5-phosphonovalerateGanglia, SpinalProto-Oncogene Proteins c-fosSensory Receptor CellsCerebral CortexHistamine AgonistsDendritesEndothelial CellsSpinal CordOlfactory Receptor NeuronsFeeding BehaviorGene Expression Regulation