Tissue Culture TechniquesCulture TechniquesOrgan Culture TechniquesAdipose TissueCervix UteriCells, CulturedCattleMesodermRNA, MessengerSwineInsulinGene Expression RegulationSignal TransductionCartilage, ArticularChick EmbryoEmbryonic InductionChorionic VilliChondrocytesGene Expression Regulation, DevelopmentalEctodermProteoglycansMorphogenesisLimbus CorneaeCell DifferentiationXenopus ProteinsGastrulaAggrecansEpitheliumPregnancyCartilage