NephronsCapillariesBlood Specimen CollectionPulmonary Diffusing CapacityElectrophoresis, CapillaryPaperMicrocirculationHeelRegional Blood FlowLaser-Doppler FlowmetryHemoglobinometryPulmonary CirculationVeinsBlood VolumeRetinal VesselsBlood Chemical AnalysisKidney Tubules, DistalCapillary ActionCapillary PermeabilityBlood Flow VelocityFingersNailsBlood-Air BarrierBlood GlucoseBlood Glucose Self-MonitoringPulmonary Gas ExchangePoint-of-Care SystemsCarbon MonoxideKidney TubulesParaguayKidney3-Hydroxybutyric AcidHemangioma, CapillaryKidney GlomerulusMicrochemistryCapillary ResistanceOxygenBlood Circulation TimeNeonPulmonary AlveoliFiltrationReproducibility of ResultsLoop of HenleDiabetic KetoacidosisKidney Tubules, ProximalBlood Gas AnalysisInsulin Infusion SystemsCarbon DioxideHemoglobinsBlood PressureCapillary ElectrochromatographyKidney Tubules, CollectingPhlebotomyTime FactorsOxygen ConsumptionMacula LuteaLungMethodsHematocritCapillary Leak SyndromeDiabetes MellitusPlasmaErythrocytesInulinUreterReference ValuesLung Volume MeasurementsSpecimen HandlingFluorescein AngiographyGlomerular Filtration RateSensitivity and SpecificitySkinDiabetes Mellitus, Type 1DogsPhysical ExertionPuncturesKidney MedullaKidney CortexHemodynamicsHypoglycemiaMass ScreeningModels, BiologicalEndothelium, VascularHemoglobin A, GlycosylatedMicrospheresAbsorptionCapillary FragilityBreath TestsMuscle, SkeletalInfant, NewbornPostprandial PeriodGlycemic IndexRestSodiumOrganogenesisPregnancyRespirationKidney Concentrating AbilityDiabetes Mellitus, Type 2Exercise