Duodenal Collection

Cholecystokinin-8 molecule C014 / 4895
Cholecystokinin-8 molecule. Computer model showing the structure of the terminal fragment of a molecule of the hormone cholecystokinin-8 (CCK-8)

Cholecystokinin-8 molecule C014 / 4894
Cholecystokinin-8 molecule. Computer model showing the structure of the terminal fragment of a molecule of the hormone cholecystokinin-8 (CCK-8)

Stomach cancer, barium X-ray
Stomach cancer. Coloured frontal X-ray of the upper gastroduodenal tract of a patient with stomach cancer (grey, upper centre)

Secondary bowel cancer, endoscopic view C016 / 8337
Secondary bowel cancer. Endoscopic view of the interior of a patients descending duodenum (first part of the small intestine), showing cancer that has spread (metastasised) from the pancreas

Major duodenal papilla, endoscopic view C016 / 8324
Major duodenal papilla. Endoscopic view of the interior of a persons small intestine, showing the major duodenal papilla. This structure is where the common bile duct

Small intestine, endoscopic view C016 / 8323
Small intestine. Endoscopic view of the healthy interior of a persons duodenum - the first part of the small intestine, showing the muscular wall

Lining of the duodenum, endoscopic view C016 / 8321
Lining of the duodenum. Endoscopic view of the lining of the duodenum - the first section of the small intestine - showing lipid (fat, white) filled villi

Diverticulum of the duodenum C016 / 8320
Diverticulum of the duodenum. Endoscope view of a diverticulum in the wall of the descending part of the duodenum - the first section of the small intestine

Isospora sp. parasites, TEM
Isospora sp. parasites. Coloured transmission electron micrograph (TEM) of Isospora sp. parasites (yellow) in a sectioned cell

Brunners glands in the duodenum
Brunners glands. Fluorescence confocal light micrograph of a section through a human duodenum (small intestine) showing Brunners glands (blue)

Blood vessels from intestinal wall, SEM
Blood vessels. Coloured scanning electron micrograph (SEM) of blood vessels from villi in the duodenum, part of the small intestine

Blood vessels in the intestine, SEM
Blood vessels of the small intestine, coloured scanning electron micrograph (SEM). Large blood vessels (bottom) supply the intestine and encircle its outer wall (lower frame and upper left)

Blood vessels from intestinal villi, SEM
Blood vessels. Coloured scanning electron micrograph (SEM) of blood vessels from villi in the duodenum, part of the small intestine

Small intestine anatomy, artwork
Small intestine. Artwork of a section through the duodenum, part of the small intestine. The small intestine is where digestion begins and nutrients are absorbed into the blood

Secretin hormone molecule. Computer model showing the structure of the hormone secretin. Atoms are colour-coded (carbon: dark grey, hydrogen: light grey, oxygen: red)

Cholecystokinin-8 molecule. Computer model showing the structure of the terminal fragment of a molecule of the hormone cholecystokinin-8 (CCK-8)

Prince Albert onboard HMS Collingwood
Prince Albert, Duke of York, later King George VI (1895-1952), as a midshipman on HMS Collingwood, in the summer of 1914. Prince Albert was the only child of George V, other than Prince Edward

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The duodenum, a vital part of the digestive system, plays a crucial role in the absorption and breakdown of nutrients, and is here that the Cholecystokinin-8 molecule (C014 / 4895) and (C014 / 4894) are released, regulating digestion and signaling satiety. However, this intricate organ can also be susceptible to various conditions. Stomach cancer can affect the duodenum, often detected through barium X-ray imaging. Additionally, secondary bowel cancer may manifest in this region as seen in endoscopic view C016 / 8337. Exploring further into the duodenal landscape reveals fascinating structures such as the major duodenal papilla (endoscopic view C016 / 8324), which serves as an entry point for bile and pancreatic secretions. The small intestine's endoscopic view (C016 / 8323) showcases its remarkable absorptive capabilities. Examining closely at the lining of the duodenum (endoscopic view C016 / 8321), we witness its unique composition responsible for nutrient absorption. Furthermore, diverticulum formation within this area is depicted in image C016 / 8320. Microscopic organisms like Isospora sp. Parasites captured via TEM highlight potential infections that can affect this section of our digestive tract twice over with their presence shown by two images consecutively. Delving deeper into microscopic details unveils Brunners glands residing within the duodenum—an essential component secreting mucus-rich fluids aiding digestion. Meanwhile, SEM imagery portrays blood vessels originating from intestinal walls supplying oxygenated blood to sustain proper functioning.