DIGESTIVE SYSTEM II ACCESSORY DIGESTIVE ORGANS Dr. Larry Johnson Texas A& M University Objectives • Distinguish between the parotid and submandibular salivary glands. • Understand and identify the structural organization of the pancreas. • Characterize the structural organization of the liver and relate it to a classical lobule, portal lobule and hepatic acinus. • Identify the gall bladder and describe its function. Major salivary glands Copyright McGraw-Hill Companies Slide 71: Parotid gland Serous acini Ducts Slide 72: Submandibular gland Intralobular ducts Striated duct Serous acini Mucous acini Slide 72 : Submandibular gland Stratified cuboidal/ columnar epithelium of larger interlobular duct Serous acini Mucous acini Serous demilune Pancreas and duodenum Copyright McGraw-Hill Companies Slide 70: Pancreas (plastic-embedded) Exocrine acini Zymogen granules Endocrine Identify these features EM 15: Pancreatic acinar cells 70 34218