Development of regional specificity of spinal and medullary dorsal horn neurons

Figure 4 Effects of co-culture. The bar graph shows summary data (mean ± SEM) of the total length of processes at day 7 after plating (A), current density (B) and occurrence of mEPSC activity (C) recorded at day 14 after plating. Vc/SDH: Vc cells co-cultured with SDH; SDH/Vc: SDH cells co-cultured with Vc; ^aP < 0.05, ^bP < 0.01 (independent t-test in A and B, Fisher’s exact test in C) when compared with those in co-cultures. Numbers in brackets indicate the number of neurons tested. Vc: Trigeminal subnucleus caudalis; SDH: Spinal dorsal horn. mEPSC: Miniature excitatory post-synaptic current.