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Title:Physiology of Endocrine Pancreas : USMLE Step 1
Duration:19:09
Viewed:21,102
Published:22-03-2023
Source:Youtube

📌 𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:- https://www.instagram.com/drgbhanuprakash 📌𝗝𝗼𝗶𝗻 𝗢𝘂𝗿 𝗧𝗲𝗹𝗲𝗴𝗿𝗮𝗺 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 𝗛𝗲𝗿𝗲:- https://t.me/bhanuprakashdr 📌𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗧𝗼 𝗠𝘆 𝗠𝗮𝗶𝗹𝗶𝗻𝗴 𝗟𝗶𝘀𝘁:- https://linktr.ee/DrGBhanuprakash Physiology of endocrine Pancreas : Usmle Step 1 The endocrine pancreas is responsible for producing hormones such as insulin and glucagon, which play an essential role in regulating blood glucose levels in the body. Here are some important points to keep in mind about the physiology of the endocrine pancreas for the USMLE Step 1 exam: Islets of Langerhans: The endocrine pancreas is composed of small clusters of cells called islets of Langerhans, which are scattered throughout the pancreas. These islets contain four different types of cells: alpha cells, beta cells, delta cells, and F cells. Each of these cells produces a different hormone that helps to regulate glucose metabolism. Insulin: Insulin is produced by beta cells in response to increased blood glucose levels. It promotes the uptake and storage of glucose by cells, particularly in the liver, muscle, and adipose tissue. Insulin also stimulates protein synthesis and inhibits lipolysis, or the breakdown of fats. Deficiency of insulin leads to diabetes mellitus. Glucagon: Glucagon is produced by alpha cells in response to low blood glucose levels. It stimulates the breakdown of glycogen in the liver, resulting in the release of glucose into the bloodstream. Glucagon also promotes gluconeogenesis, or the synthesis of glucose from non-carbohydrate sources such as amino acids and fatty acids. Somatostatin: Somatostatin is produced by delta cells and inhibits the release of insulin and glucagon. It also inhibits the secretion of growth hormone and gastrointestinal hormones, and it slows down the rate of digestion and nutrient absorption. Regulation of insulin and glucagon secretion: Insulin and glucagon secretion are regulated by a negative feedback loop. Increased blood glucose levels stimulate insulin secretion, which then promotes glucose uptake and storage in cells, leading to a decrease in blood glucose levels. Conversely, decreased blood glucose levels stimulate glucagon secretion, which promotes the breakdown of glycogen in the liver and the release of glucose into the bloodstream, leading to an increase in blood glucose levels. In summary, the endocrine pancreas produces hormones such as insulin, glucagon, and somatostatin, which play a crucial role in regulating blood glucose levels. Insulin promotes glucose uptake and storage in cells, while glucagon promotes the breakdown of glycogen in the liver and the release of glucose into the bloodstream. The secretion of these hormones is regulated by a negative feedback loop. #pancreas #endocrinephysiology #endocrinesystem #endocrinepancreas #usmlephysiology #fmge #fmgevideos #rapidrevisionfmge #fmgejan2023 #mbbslectures #nationalexitexam #nationalexittest #neetpg #usmlepreparation #usmlestep1 #fmge #usmle #drgbhanuprakash #medicalstudents #medicalstudent #medicalcollege #neetpg2023 #usmleprep



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