
Involvement of GABAergic modulation of antinociception induced by morphine microinjected into the ventrolateral orbital cortex
Keywords: AI, agranular insular cortex; DAMGO, [d-Ala2,N-Me-Phe4,Gly-ol5]-Enkephalin; β-FNA, β-Funaltrexamine hydrochloride; GABA, γ-aminobutyric acid; LO, lateral orbital cortex; mIPSC, miniature inhibitory postsynaptic current; PAG, periaqueductal gray; Sm, nucle