Fig. 3. Histograms showing the fraction (%, mean ± SD) of VGLUT+ boutons of all boutons (A) and their synaptic covering percentage (B) on the jaw-closing (JC) γ-motoneurons, jaw-opening (JO) and JC α-motoneurons. Single asterisk indicates significant difference between JC γ-/JO α-motoneurons and JC α-motoneurons (one-way ANOVA, p<0.05) on VGLUT1+ boutons. Double and triple asterisks indicate significant difference between JC γ-motoneurons and JO/JC α-motoneurons (one-way ANOVA, p<0.05) on VGLUT2+ boutons and VGLUT1+ or VGLUT2+ boutons, respectively. Data on JC and JO α-motoneurons are from our previously-published experiments and are provided for comparison .
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