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Islet of Langerhans, light micrograph
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Islet of Langerhans, light micrograph
Islet of Langerhans. Light micrograph of a section through an islet of Langerhans in the pancreas. The islet (centre, yellow) is composed of clumps of secretory cells. The main secretions from these cells are the hormones glucagon and insulin, which control blood sugar. These cells are endocrine, as the secretions go straight into the bloodstream. The cells surrounding the islet are packed into sac-like structures called acini (red), and secrete digestive enzymes. This part of the pancreas is exocrine, as the enzymes pass into the gut, via ducts. Magnification: x1250 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6451179
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Acinar Cell Acini Acinus Cross Section Digestive Enzyme Digestive Enzymes Endocrine Endocrine System Endocrinology Exocrine Gland Glucagon Histological Histology Hormonal Hormones Insulin Islet Islet Of Langerhans Islets Level Levels Pancreas Pancreatic Tissue Transverse Cells Light Micrograph Light Microscope Section Sectioned
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