Table 1.

Characterization of dye coupling among axotomized motor neurons

Weeks after axotomyaNumber of motor neurons characterized by collision test (cells/animals)Number of dye-labeled cells per cluster mean ±SEM (n), rangeDiameter of dye-labeled cells per cluster mean ± SEM, rangeDistribution of dye-labeled cells rostrocaudal/dorsoventral/mediolateral mean (μm), range
017/41 (4)46 ± 2Not applicable
Not applicable42 − 55
115/32.8 ± 0.4(6)43 ± 2275/225/150
2 − 440 − 53230–325/190–280/120–185
4–633/53.8 ± 0.6(8)1-b42 ± 3230/205/135
2 − 639 − 48190–270/180–230/95–160
  • F1-a The medial gastrocnemius and lateral gastrocnemius–soleus muscle nerves were cut near their entry into the muscle, and a 2–3 mm piece was resected.

  • F1-b Not significantly different from value at 1 week; p < 0.10; Student's t test.