Neurokinin BNeurokinin AReceptors, Neurokinin-3TachykininsReceptors, TachykininReceptors, Neurokinin-2Substance PReceptors, Neurokinin-1KisspeptinsNeurokinin-1 Receptor AntagonistsArcuate NucleusDynorphinsEledoisinReceptors, NeurotransmitterPhysalaeminGonadotropin-Releasing HormonePiperidinesQuinuclidinesPyrrolidonecarboxylic AcidGuinea PigsNeuropeptidesCapsaicinPeptide FragmentsNeuronsIleumLuteinizing HormoneMuscle, SmoothDose-Response Relationship, DrugMuscle ContractionIsoindolesAtropineBenzamidesBinding, CompetitiveRats, WistarQuinolinesOligopeptidesHormone AntagonistsRats, Sprague-DawleyFeedback, PhysiologicalOvariectomy