Morphology of the cell lines.

<p>A: Phase contrast pictures of the generated cell lines at the following passages: PpaC1 p2, PpaC2 p4, PpaC6 p8 and PpaC8 p10, at 10× magnification. B: Disseminating cell clusters in cultures with cobblestone growth pattern. The regular smooth colony border is indicated with a white arrow and the protruding group of cells with a black arrow. 20× magnification. Picture is from p4.