869327.fig.007a
(a)
869327.fig.007b
(b)
869327.fig.007c
(c)
869327.fig.007d
(d)
Figure 7: Morphological characteristics of group 5. (a) Group 5. Infiltrate. Newly formed vessels and macrophages. The vessels are marked with arrows. Semi-thin section. (b) Group 5. Penumbra. Newly generated vessels are marked with arrows. Semi-thin section. (c) Group 5. Damaged area. Newly generated vessels with a large diameter are observed in the infiltrate and penumbra. The vessels are marked with black arrows; the red dashed line bounds the infiltration zone, and the blue line denotes the penumbra. (d) Group 5. Infiltration. Small number of macrophages with green granules.  The scale bars are 20 μm in (a) and (d), 100 μm in (b), and 300 μm in (c).