Pancreas, Exocrine

**Definition:** The major component (about 80%) of the PANCREAS composed of acinar functional units of tubular and spherical cells. The acinar cells synthesize and secrete several digestive enzymes such as TRYPSINOGEN; LIPASE; AMYLASE; and RIBONUCLEASE. Secretion from the exocrine pancreas drains into the pancreatic ductal system and empties into the DUODENUM.

**Tree numbers:** - A03.734.540 - A10.336.645

**Synonyms:** - Exocrine Pancreas