Definition of hypertrophy in English English dictionary
Increase in muscle size through increased size of individual muscle cells; a result of weightlifting, and other exercise. It differs from muscle hyperplasia, which is the formation of new muscle cells
A thickening of the muscle of the pumping chamber (ventricle) of the heart This results from increased work of that chamber (the heart muscle gets large and thick with an increased work-out, just like the biceps muscle) Usually associated with obstructions in the valves or blood vessels through which the ventricle must push the blood, or with high blood pressure