Receptors, CholinergicAcetylcholineMusclesMyasthenia GravisBungarotoxinsReceptors, NicotinicMyasthenic Syndromes, CongenitalMuscle DenervationTorpedoMuscle, SkeletalTubocurarineNicotinic AntagonistsNeuromuscular JunctionMuscle, SmoothMuscle ProteinsMuscle, Smooth, VascularMuscle Fibers, SkeletalMuscle Contractionalpha7 Nicotinic Acetylcholine ReceptorAmino Acid SequenceMolecular Sequence DataMuscle DevelopmentMacromolecular SubstancesCell LineKineticsBinding SitesBase SequenceCloning, MolecularMuscle FatigueVesicular Acetylcholine Transport ProteinsMuscle Fibers, Fast-TwitchReceptors, MuscarinicMuscle RelaxationMuscle Fibers, Slow-TwitchMyocytes, Smooth MuscleMitochondria, MuscleNicotinic AgonistsOculomotor MusclesAtropineNeck MusclesCarbacholMuscle, StriatedElectric OrganMuscle SpindlesRespiratory MusclesMuscle WeaknessElectric StimulationNicotinePhysostigminePapillary MusclesCholinergic AgentsMuscle CellsCalciumAbdominal MusclesQuadriceps MuscleAcetylcholinesteraseMotor EndplateMuscarinic AntagonistsVasodilationDose-Response Relationship, DrugIsometric ContractionMasseter MuscleIntercostal MusclesGuinea PigsCholinesterase InhibitorsRabbitsCholineMembrane PotentialsFacial MusclesMasticatory MusclesElectromyographyVasodilator AgentsCells, CulturedMuscarinic AgonistsRats, Sprague-DawleyTime FactorsDiaphragmMuscular AtrophyReceptor, Muscarinic M2Receptor, Muscarinic M3ParasympathomimeticsReceptor, Muscarinic M1NitroprussideSatellite Cells, Skeletal MuscleEndothelium, VascularCholine O-AcetyltransferaseRats, WistarPectoralis MusclesCholinergic AgonistsMecamylamineMuscular DiseasesMotor NeuronsAconitineElectrophysiologyConotoxinsHindlimbNitric OxideParasympathetic Nervous SystemAgrinMyofibrils