to assess the nature and extent of the influence that opiates exert on the endocrine pancreas , we examined the effects of met-enkephalin ( mek ) , leu-enkephalin , morphine , and the opiate antagonist naloxone ( nal ) as well as adrenergic and cholinergic blockade on the hormone release from the isolated perfused dog pancreas .
C0022131
endocrine pancreas
C0030274
pancreas