In the whole experiment, the variation of the 5-HT-LI cell bodies was not observed, but the density of neuropile and the quantities of varicosities and growth cones obviously decreased.

• 虽在整个过程中未观察到5-HT样免疫阳性神经元胞体的变化，但其突起的密度及突起上膨体和生长锥的数量明显减少。