The clone and morphologic observation of TSCs by microscope.

<p>(A) P0 TSCs showed as large polygonal and star-shaped cells. (B) P1 TSCs showed as flat cells and slender fibroblast-like cells. (C) P3 TSCs showed a homogeneous population of fibroblast-like cells. (D) P3 TSCs arranged as pebbles at high rate of cell fusion. All scale bars = 100 μm.