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The pancreas is an organ of the digestive system and endocrine system of vertebrates. In humans, it is located in the abdomen behind the stomach and functions as a gland. The pancreas is a mixed or heterocrine gland, i.e., it has both an endocrine and a digestive exocrine function. [2] 99% of the pancreas is exocrine and 1% is endocrine.
There are about 1 million islets distributed throughout the pancreas of a healthy adult human. While islets vary in size, the average diameter is about 0.2 mm. [5]:928 Each islet is separated from the surrounding pancreatic tissue by a thin, fibrous, connective tissue capsule which is continuous with the fibrous connective tissue that is interwoven throughout the rest of the pancreas.
The exocrine pancreas is one of two compartments that include digestive-acting acinar cells and duct cells.They represent an extension of the intercalated duct into each pancreatic acinus. [1] These cells are commonly known as duct cells , and secrete an aqueous bicarbonate solution under stimulation by the hormone secretin .
A diagram of the acinar cells in the pancreas, and will deliver enzymes from the acinar cells to the duodenum. [2] Ductal cells comprise about 10% of the pancreas by number and about 4% in volume. Its function is to secrete bicarbonate and mucins and to form the tubule network that transfers enzymes made by acinar cells to the duodenum.
Pages in category "Pancreas anatomy" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. A. Ampulla of Vater; E.
Pancreas anatomy (8 P) E. Endocrine pancreas (1 C, 2 P) P. Pancreas disorders (2 C, 25 P) Pages in category "Pancreas" The following 10 pages are in this category ...
The pancreas produces and releases important digestive enzymes in the pancreatic juice that it delivers to the duodenum. [24] The pancreas lies below and at the back of the stomach. It connects to the duodenum via the pancreatic duct which it joins near to the bile duct's connection where both the bile and pancreatic juice can act on the chyme ...
PaSCs are located within the peri-acinar spaces of the pancreas and extrude long cytoplasmic processes that surround the base of the acinus. [1] PaSCs compose 4% of the total cell mass in the gland [3] Stellate cells derive their name from their star shape and are located in other organs such as the kidney and lungs. [1]