PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3968975-1 1985 In order to characterize the in vivo action of phospholipase A2 (PLA2) on opiate receptors and opiate-induced behaviors, the effects of injections of PLA2 into the periaqueductal gray region (PAG) of the rat were assessed on free fatty acid (FFA) release, opiate-binding levels, and morphine-induced behaviors. Opiate Alkaloids 74-80 phospholipase A2 group IB Rattus norvegicus 47-63 3968975-1 1985 In order to characterize the in vivo action of phospholipase A2 (PLA2) on opiate receptors and opiate-induced behaviors, the effects of injections of PLA2 into the periaqueductal gray region (PAG) of the rat were assessed on free fatty acid (FFA) release, opiate-binding levels, and morphine-induced behaviors. Opiate Alkaloids 74-80 phospholipase A2 group IB Rattus norvegicus 65-69