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12Z ectopic epithelial cells have distinct morphologies when cultured with different substrates. Cells were plated on tissue culture plastic (TCP, 5,000 cells/cm2) or in collagen I (Coll I, 25,000 cells/cm2) or recombinant basement membrane (rBM, 50,000 cells/cm2) gels and observed for 72 hours. Scale bar equals 100 μm.
