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The pancreas is both an exocrine (compound acinar) and an endocrine (islets of Langerhans) gland The exocrine pancreas releases alkaline secretions, containing enzymes, into the duodenum that aid in food digestion and neutralize the acidity of chyme leaving the stomachThe pancreas is an organ containing two distinct populations of cells, the exocrine cells that secrete enzymes into the digestive tract, and the endocrine cells that secrete hormones into the bloodstream It arises from the endoderm as a dorsal and a ventral bud which fuse together to form the single organ Pancreata from rodents and humans share many histological and functional similarities, but also display some potentially important differences ()The pancreas is invested by a variably thin connective tissue capsule and divided into lobules, which are formed from dense accumulations of exocrine glands that often surround the isletsIndividual lobules are defined by Pancreas Histology Pancreas histology exocrine cells ...