1. excessive functional activity of the thyroid gland. 2. the abnormal condition resulting from hyperthyroidism marked by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, ...
the hollow muscular organ in female mammals in which the fertilized ovum normally becomes embedded and in which the developing embryo and fetus is nourished. In the nongravid human, it is a ...
1. a type of mechanical stress, whereby the external forces twist an object about its axis. 2. in ophthalmology any rotation of the vertical corneal meridians.