Muscle RelaxationMuscle, SmoothMuscle, Smooth, VascularMuscle, SkeletalMyocytes, Smooth MuscleMusclesMuscle ContractionCells, CulturedMuscle Fibers, SkeletalCell ProliferationMuscle ProteinsCell DivisionCell DifferentiationCarotid Artery InjuriesTracheaDeuteroporphyrinsAortaMuscle DevelopmentLeiomyomatosisNitric OxideHSP20 Heat-Shock ProteinsCyclic GMPPlatelet-Derived Growth FactorEndothelium, VascularRabbitsVasodilationTunica IntimaSignal TransductionCalciumPenisOpossumsMuscle TonusCyclic GMP-Dependent Protein KinasesRNA, MessengerAcetylcholineMitogensRelaxation TherapyDose-Response Relationship, DrugMuscle Fibers, Fast-TwitchBromcresol GreenGuinea PigsHyperplasiaRats, Sprague-DawleyMuscle FatigueNitroprussideMitochondria, MuscleAorta, ThoracicMuscle Fibers, Slow-TwitchThymidineVasodilator AgentsNitric Oxide DonorsElectric StimulationEnzyme InhibitorsMuscle DenervationPhosphorylationPenile ErectionTime FactorsIsoproterenolGuanylate CyclaseAnal CanalIsometric ContractionAngioplasty, BalloonNucleotides, CyclicNitric Oxide SynthaseGene Expression RegulationSatellite Cells, Skeletal MuscleMice, Inbred C57BLImmunohistochemistryMyosin-Light-Chain PhosphataseOxadiazolesPhosphodiesterase InhibitorsVasoactive Intestinal PeptideMolecular Sequence DataNitroglycerinBiological FactorsRats, WistarCell LineMice, KnockoutPurinonesMuscle CellsCyclic GMP-Dependent Protein Kinase Type IMuscular AtrophyActinsDogsCyclic AMPS-NitrosoglutathioneMuscle, StriatedMyoblastsBlotting, WesternTranscription FactorsGene ExpressionKineticsReverse Transcriptase Polymerase Chain ReactionOculomotor MusclesReceptor, PAR-2NG-Nitroarginine Methyl EsterNorepinephrineMyosin Heavy ChainsMuscular DiseasesNeck Muscles