MucusCervix MucusSkin AbsorptionMucinsSperm-Ovum InteractionsMucociliary ClearanceGastric MucinsMucin-2Mucin 5ACGoblet CellsPermeabilityAdministration, CutaneousIntestinal MucosaExocrine GlandsMucin-5BBlisterSpermatozoaGastric MucosaZona PellucidaBlood-Brain BarrierDiffusionRespiratory MucosaAdministration, TopicalTracheaViscosityPeriodic Acid-Schiff ReactionDental LeakageNanoparticlesExpectorantsBronchiMicroscopy, Electron, ScanningSkinSperm MotilitySwineBacterial AdhesionRespiratory SystemRespiratory Protective DevicesAcrosomeMucin-3LungSperm CapacitationRabbitsDrug Delivery SystemsNational Institute for Occupational Safety and Health (U.S.)Tissue DistributionMucous MembraneColonTime FactorsBody Fluids