Spontaneous Recovery of the Injured Higher Olfactory Center in the Terrestrial Slug Limax
Figure 3
The size and number of cells in the PC is larger in the 1 month recovery group than in the 1 week recovery group.
Representative photographs of toluidine blue-stained sections of brains 1 week after a PC lesion (A–C), 1 month after a PC lesion (D–F), and 1 week after a sham operation (G). Only the cerebral ganglia are shown. Arrows indicate the PC. Scale bar, 500 µm. (H) A schematic drawing of the slug brain. The rectangle surrounds the cerebral ganglia including the PC. (I) Quantification of the sum of the bilateral PC area (1 week recovery, n = 34; 1 month recovery, n = 53; sham, n = 23) showed that the area is significantly diminished one week and one month following lesion, with some recovery in the one month recovery group. (J) The number of cells within the PC is larger in the 1 month recovery group (n = 19) than in the 1 week recovery group (n = 18). *P<0.001 by Student's t-test. A, anterior; P, posterior; R, right; L, left.