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Pancreatic islets
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The pancreatic islets or islets of Langerhans are the regions of the pancreas that contain its endocrine cells, discovered in 1869 by German pathological anatomist Paul Langerhans. The pancreatic isle
A pancreatic islet from a mouse in a typical position, close to a blood vessel; insulin in red, nuclei in blue.
A pancreatic islet from a mouse in a typical position, close to a blood vessel; insulin in red, nuclei in blue.
A pancreatic islet, stained.
A pancreatic islet, stained.
A pancreatic islet, showing alpha cells
A pancreatic islet, showing alpha cells
A pancreatic islet, showing beta cells.
A pancreatic islet, showing beta cells.
Pancreas
Videos
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 he
Pancreatic islets
…The pancreatic islets or islets of Langerhans are the regions of the pancreas that contain its endocrine cells (hormone-producing cells), discovered in 1869 by German pathological anatomist Paul Langerhans. The pancreatic islets…
The pancreas (shown here in pink) sits behind the stomach, with the body near the curvature of the duodenum, and the tail stretching to touch the sple
The pancreas (shown here in pink) sits behind the stomach, with the body near the curvature of the duodenum, and the tail stretching to touch the spleen.
This image shows a pancreatic islet when pancreatic tissue is stained and viewed under a microscope. Parts of the digestive ("exocrine") pancreas can
This image shows a pancreatic islet when pancreatic tissue is stained and viewed under a microscope. Parts of the digestive ("exocrine") pancreas can be seen around the islet, more darkly. These contain hazy dark purple granules of inactive digestive enzymes (zymogens).
The pancreas originates from the foregut, a precursor tube to part of the digestive tract, as a dorsal and ventral bud. As it develops, the ventral bu
The pancreas originates from the foregut, a precursor tube to part of the digestive tract, as a dorsal and ventral bud. As it develops, the ventral bud rotates to the other side, and the two buds fuse.