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Lesson 2.1 Key Terms
Lesson 2.1 What is Diabetes? - Key Terms:
Term | Definition |
---|---|
Glucagon | A protein hormone secreted by pancreatic endocrine cells that raises blood glucose levels; an antagonistic hormone to insulin. |
Hormone | A product of living cells that circulates in blood and produces a specific, often stimulatory, effect on the activity of cells that are often far from the source of the hormone. |
Insulin | A protein hormone secreted by the pancreas that is essential for the metabolism of carbohydrates and the regulation of glucose levels in the blood. |
Negative Feedback | A primary mechanism of homeostasis, whereby a change in a physiological variable that is being monitored triggers a response that counteracts the initial fluctuation. |
Positive Feedback | Feedback that tends to magnify a process or increase its output. |
Type 1 Diabetes | develops in childhood or adolescence and is characterized by a severe deficiency of insulin, leading to high blood glucose levels. |
Type 2 Diabetes | develops in adults & most often obese individuals & that is characterized by high blood glucose resulting from impaired insulin utilization coupled with the body’s inability to compensate with increased insulin production. |
Glucose Tolerance Test |