elevated amylase normal lipasenormal amylase and lipase levelspancreatic lipasepancreatic triacylglycerol lipasepancreatic lipase functionpancreatic lipase activitypancreatic triglyceride lipasehigh levels of amylase and lipasepancreatic lipase digestsdefine pancreatic lipaseporcine pancreatic lipasehuman pancreatic lipase