(a)
(b)
(c)
(d)
(e)
(f)
Figure 4: Histological analysis of rACs in alginate beads. (a) P1 rACs on day 0; (b) Ind-P1rAC on day 35; (c) Con-P1rAC on day 35; (d) P4 rACs on day 0; (e) Ind-P4rAC on day 35; (f) Con-P4rAC on day 35. Captions were defined as in Figure 2.