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Morphology of 2D HAT-7 cell cultures. (A) HAT-7 cells grown in control medium as a conventional monolayer on plastic in a T-25 culture flask for 3 days. (B) HAT-7 cells grown in differentiation medium as a polarized monolayer on a Transwell permeable support for 7 days. Also visible are the 0.4 µm pores in the polyester supporting membrane. Scale bars: 100 µm.
