GENERAL HISTOLOGY

Detailed explanation-1: -Hyperthyroidism is characterized by hypermetabolism and elevated serum levels of free thyroid hormones. Symptoms include palpitations, fatigue, weight loss, heat intolerance, anxiety, and tremor. Diagnosis is clinical and with thyroid function tests. Treatment depends on cause.

Detailed explanation-2: -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-3: -The most common cause of hyperthyroidism, Graves’ disease is an autoimmune disorder that results in your body creating too much thyroid hormone.

Detailed explanation-4: -A hormone produced during pregnancy, human chorionic gonadotropin (HCG), may cause the thyroid gland to be overactive and enlarge slightly. Inflammation. Thyroiditis is inflammation of the thyroid caused by an autoimmune disorder, bacterial or viral infection, or medication.

Detailed explanation-5: -Iodine deficiency is the most common cause of goiter. The body needs iodine to produce thyroid hormone. If you do not have enough iodine in your diet, the thyroid gets larger to try and capture all the iodine it can, so it can make the right amount of thyroid hormone.