doctor with human pancreatitis anatomy model with pancreas, gallbladder, bile duct, duodenum, small intestine. pancreatic cancer,

gastrointestinal cholecystitis pancreatitis inflammation gallbladder pancreatic healthcare intestine digestive gallstone abdominal education pancreas duodenum november duodenal glucagon anatomy chronic concept disease stomach medical alcohol enzymes insulin lobules papilla symptom glucose doctor cancer system health human model small acute tumor gland spine liver organ world bile duct pain body head tail day