Tunica MediaElastic TissueStrongyle Infections, EquineStrongyloideaStrongylusVeinsMuscle, Smooth, VascularPenile IndurationAortaCulture MediaArteriesAorta, ThoracicTunica IntimaSaphenous VeinAorta, AbdominalPortal VeinTesticular HydrocelePenisVaricose VeinsArteriosclerosisMyocytes, Smooth MuscleUrologic Surgical Procedures, MaleCalcinosisFemoral VeinPulmonary ArteryPulmonary VeinsCoronary VesselsJugular VeinsImmunohistochemistryMicroscopy, ElectronRabbitsMesenteric VeinsCells, CulturedUmbilical VeinsRenal VeinsIliac VeinPenile ImplantationPenile ProsthesisImpotence, VasculogenicHepatic VeinsPopliteal VeinSpermatocelePenile ErectionSubclavian VeinScrotumSplenic VeinMass MediaOtitis MediaCerebral VeinsUrethral StrictureSpermatic CordRetinal VeinCulture Media, ConditionedAzygos VeinBrachiocephalic VeinsTesticular NeoplasmsUrinary FistulaMesotheliomaAxillary VeinTestisRetinal Vein OcclusionHypospadiasUrethraGenital Neoplasms, MaleSurgical FlapsCutaneous FistulaErectile DysfunctionConnective TissueUrethral DiseasesSerous MembraneSpermatic Cord TorsionMicroscopy, Electron, ScanningTime FactorsPersistent Hyperplastic Primary VitreousVenous ThrombosisEndothelium, VascularArmadillosElastinDogsSocial MediaMuscle, SmoothSwinePhlebographyVenous InsufficiencyRNA, MessengerCulture Media, Serum-FreeLens, CrystallineSeminiferous TubulesTreatment OutcomeOrchiectomyHyperplasiaAgarRats, Sprague-DawleyBlood VesselsCell DivisionDog DiseasesCommunications MediaHistocytochemistryOvaryContrast Media