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Lesson 2.1 Key Terms

Lesson 2.1 What is Diabetes? - Key Terms:

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
Created by: 100000704692839