SPR positive products were located predominately in the cell membrane. The density of positive endings in the dorsal cochlear nucleus (DCN) was higher than that in the ventral cochlear nucleus.

• 在耳蜗核；SPR阳性神经元数量较多；主要分布在耳蜗腹侧核(NCN)；SPR阳性产物主要位于胞膜上；而耳蜗背侧核(DCN)阳性终末密度明显大于腹侧核.