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Islet of Langerhans, light micrograph C016 / 0514
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Islet of Langerhans, light micrograph C016 / 0514
Islet of Langerhans. Light micrograph of a section through an islet of Langerhans in a pancreas. Scattered throughout the pancreas, the islets are endocrine cells that secrete a range of hormones, most notably insulin and glucagon, which are essential for normal body homeostasis. Each islet is supplied by capillaries (tiny blood vessels) passing through it and surrounded by pancreatic acinar cells that synthesise and secrete numerous enzymes involved with digestive functions in the small bowel. Islet cells arise from common precursor stem cells in the embryonic/foetal pancreas. A failure by islet cells to produce insulin is classed as type 1 or insulin-dependent diabetes, and often is a result of autoimmune destruction of the islet cells. Magnification
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9238501
© MICROSCAPE/SCIENCE PHOTO LIBRARY
Blood Vessels Capillaries Capillary Cell Biology Cytological Cytology Digestion Digestive Endocrine Enzyme Enzymes Gastrointestinal Glucagon Histological Histology Homeostasis Hormonal Hormones Insulin Intestinal Tract Islet Of Langerhans Pancreas Pancreatic Secretory Stain Stained Synthesis System Tissue Vessel Cells Light Micrograph Light Microscope Section Sectioned
EDITORS COMMENTS
This print showcases the intricate beauty of the Islet of Langerhans, a vital component within the pancreas. Through a light micrograph, we are granted a glimpse into this microscopic world that plays a crucial role in maintaining our body's equilibrium. The Islet of Langerhans is scattered throughout the pancreas and consists of endocrine cells responsible for secreting essential hormones like insulin and glucagon. These hormones are indispensable for regulating normal bodily functions and ensuring homeostasis. Each islet is supplied with nourishment through tiny blood vessels known as capillaries, which pass through them. Surrounding these precious islets are pancreatic acinar cells that synthesize and secrete numerous enzymes involved in digestive processes within the small bowel. It's fascinating to note that these remarkable islet cells originate from common precursor stem cells during embryonic development. However, when they fail to produce insulin, it leads to type 1 or insulin-dependent diabetes. This condition often arises due to autoimmune destruction targeting the islet cells themselves. Through histological magnification, this image not only reveals the structural complexity but also highlights how interconnected our biological systems truly are. The delicate balance between digestion and hormonal regulation becomes apparent as we explore this mesmerizing microcosm within our own bodies. Captured by MICROSCAPE/SCIENCE PHOTO LIBRARY, this photograph serves as a testament to both scientific curiosity and aesthetic appreciation for nature's hidden wonders.
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