There were some neurons which were immunocytochemically stained with SPR and FOS surrounded by BSI-B4-labeled C fibers and terminals in the superficial laminae of the Vc.

• 部分SP受体阳性神经元也呈FOS阳性，少数SP受体和FOS的双重阳性神经元周围也有BSI－B4标记的纤维和终末。