Hyperglycemia refers to high levels of glucose (sugar) in the blood. It occurs when there is insufficient insulin production or impaired insulin function, leading to an imbalance between glucose production and uptake.
Related terms
Insulin: A hormone produced by beta cells in the pancreas that helps regulate blood sugar levels by facilitating glucose uptake into cells.
Glucose Uptake: The process by which cells absorb glucose from the bloodstream so it can be used for energy production.
Diabetes: A chronic condition characterized by high blood sugar levels due to either insufficient insulin production (Type 1) or impaired insulin function (Type 2).