PATHOLOGY

Detailed explanation-1: -Hyperthyroidism happens when the thyroid gland makes too much thyroid hormone. This condition also is called overactive thyroid. Hyperthyroidism speeds up the body’s metabolism. That can cause many symptoms, such as weight loss, hand tremors, and rapid or irregular heartbeat.

Detailed explanation-2: -Overactive thyroid (hyperthyroidism) occurs when your thyroid gland produces too much of the thyroid hormones thyroxine or triiodothyronine.

Detailed explanation-3: -Goiter, an enlargement of the thyroid gland. Hyperthyroidism, which happens when your thyroid gland makes more thyroid hormones than your body needs. Hypothyroidism, which happens when your thyroid gland does not make enough thyroid hormones. Thyroid cancer.