Blood Sugar Regulation

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Presentation transcript:

Blood Sugar Regulation

Pancreas

Pancreas

Pancreas Two cell types to produce: exocrine acini produce: islets of Langerhans produce: 1 – 2% of pancreas are the islets of Langerhans

Islets of Langerhans Two hormones are produced: beta cells: alpha cells: blue = cell nuclei green = insulin red = glucagon

Insulin Function When is insulin released? after eating hyperglycemia beta cells decreased blood sugar cellular signals for insulin release increased glucose uptake glycogen production in liver

Glucagon Function What does glucagon do? breaks down glycogen hypoglycemia alpha cells increased blood sugar cellular signals for glucagon release glucose release from liver glucose production in liver

Blood Sugar Diseases Three types of diabetes: Diabetes Mellitus - Type 1 Diabetes Mellitus - Type 2 Diabetes Insipidus

Diabetes Mellitus – Type I also known as: Cause Symptoms Treatment

Diabetes Mellitus – Type II formerly known as: Cause Symptoms Treatment

Diabetes Insipidus Cause Symptoms Treatment

Canadian Connection Frederick Banting & Charles Best Nobel Prize – 1923 insulin isolation tied off ducts to digestive tract cell producing digestive enzymes shrivelled only islets of Langerhans remained

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