Extracellular MatrixIntercellular JunctionsExtracellular Matrix ProteinsTight JunctionsAdherens JunctionsGap JunctionsFibronectinsCell AdhesionCadherinsZonula Occludens-1 ProteinCollagenMatrix MetalloproteinasesCells, CulturedNeuromuscular JunctionMatrix Metalloproteinase 2LamininEpithelial CellsDesmosomesFreeze FracturingMicroscopy, ElectronSertoli CellsCell MovementTenascinMembrane ProteinsOccludinCell CommunicationCell LineProteoglycansMolecular Sequence DataSeminiferous EpitheliumCell Adhesion MoleculesMatrix Metalloproteinase 1ActinsMatrix Metalloproteinase InhibitorsImmunohistochemistryIntegrinsFibroblastsBasement MembraneRNA, MessengerEpitheliumCytoskeletonSignal TransductionMatrix Metalloproteinase 3Microscopy, FluorescenceMicroscopy, ConfocalAmino Acid SequenceAntispermatogenic Agentsalpha CateninBone MatrixModels, BiologicalNuclear MatrixCollagen Type IDesmoplakinsConnexinsCytoskeletal ProteinsCateninsFluorescent Antibody TechniqueJunctional Adhesion MoleculesMetalloendopeptidasesCell MembraneBase SequenceProtein BindingCell DifferentiationEndothelial CellsMatrix Metalloproteinase 14Cell PolarityTissue Inhibitor of MetalloproteinasesBlotting, WesternHyaluronic AcidConnexin 43Microscopy, Electron, ScanningGuanylate Kinasebeta CateninGlycosaminoglycansReverse Transcriptase Polymerase Chain ReactionEndothelium, VascularContraceptive Agents, MaleEndotheliumTransforming Growth Factor betaAntigens, CD29DogsBlood-Testis BarrierTissue Inhibitor of Metalloproteinase-1Microscopy, Electron, TransmissionCapillary PermeabilityPhosphoproteinsTissue Inhibitor of Metalloproteinase-2SpermatogenesisGene ExpressionTissue EngineeringCollagenasesCollagen Type IVMorphogenesisCell ShapeElastinTime FactorsNucleoside-Phosphate KinaseEsophagogastric JunctionMicrofilament ProteinsHuman Umbilical Vein Endothelial Cells