About one third of the cell bodies and dendrites showing MOR-like immunoreactivity formed synaptic contacts with GABAergic axon terminals;all these synapses were symmetric.

• 结果表明，后角浅层内约有三分之一的MOR阳性树突和胞体与GABA阳性终末形成突触连接，这些突触均为对称性突触。