Fig. 4From: Human levator veli palatini muscle: a novel source of mesenchymal stromal cells for use in the rehabilitation of patients with congenital craniofacial malformationsIn vitro staining of LVPMDSCs. Osteogenic differentiation: Alizarin Red S staining revealing calcified extracellular matrix 21 days after osteogenic induction, white arrows shows the calcium deposition (a) and its negative control (b). Adipogenic differentiation: Oil Red-O staining (c). Chondrogenic differentiation: toluidine blue staining (d). Scale bars, 50 μmBack to article page