Fig. 7

The filamentous outgrowths and the ESM structure of EC during long-term proliferation. a-c: The filamentous outgrowths of EC subcultured 112 days, 280 days, 392 days. (a): 112 days, (b): 280 days, (c): 392 days; The ESM structure of EC subcultured 112 days, 280 days, 392 days. (d): 112 days, (e): 280 days; (f): 392 days. All bars = 100 μm.