
Acute inflammation induces segmental, bilateral, supraspinally mediated opioid release in the rat spinal cord, as measured by μ-opioid receptor internalization
Keywords: descending pathways; dorsal horn; dynorphin; enkephalin; formalin; neurokinin 1 receptorANOVA, analysis of variance; CFA, complete Freund's adjuvant; MOR, μ-opioid receptor; NA, numerical aperture; NK1R, neurokinin 1 receptor