Engineered Hypopharynx from Coculture of Epithelial Cells and Fibroblasts Using Poly(ester urethane) as Substratum
Figure 6
The morphology of fibroblasts which were cultured in PEU (a) and PEU-SF (b) for 14 d. (1) Top face; (2) cross-section of the scaffold. Samples were observed under SEM. The seeding density is 5 × 105/mL.
