Bouton types in apposition with α- and γ-MNs in neonatally transected rats. A–D, Excitatory S-type (A; green), inhibitory F-type (B; red), large cholinergic C-type (C; yellow), large M-type (D; blue) with associated Taxi-bodies (arrows). E, F, F/S ratios for percentage coverage and number of boutons for γ- and α-MNs. **p < 0.005.