Anatomy of the Pancreas CH 23 Anatomy of the Pancreas James F. Thompson, Ph.D.

Pancreas

Pancreas Anatomy Accessory digestive organ Enzymes for chemical digestion in the small intestine Hormones for carbohydrate metabolism Anatomy 12.5 cm x 2.5 cm Connected by 2 ducts to duodenum Head, body and tail delicate, fragile organ difficult to repair after injury difficult to diagnose and treat pancreatic diseases

Pancreas Histology - clusters of glandular epithelial cells 1% are endocrine cells in pancreatic islets (islets of Langerhans) glucagon (alpha cells) insulin (beta cells) somatostatin, pancreatic polypeptide (delta cells) 99% are exocrine acinar cells secrete pancreatic juice

Pancreas Acinar cells secrete pancreatic juice into 2 larger ducts Larger - pancreatic duct joins common bile duct from liver, gallbladder enter duodenum at hepatopancreatic ampulla with common duct Smaller accessory duct empties into small intestine upstream

Blunt Trauma To Pancreas With Hemorrhage Impact with Steering Wheel

End CH 23 Anatomy of the Pancreas