Thyroid meaning

The thyroid is a butterfly-shaped gland located in the front of the neck that produces hormones regulating metabolism, energy levels, and overall growth and development. The main hormones produced by the thyroid gland are thyroxine (T4) and triiodothyronine (T3). Disorders of the thyroid gland include hypothyroidism (underactive thyroid), hyperthyroidism (overactive thyroid), thyroid nodules, and thyroid cancer. Symptoms of thyroid disorders can vary widely and may include fatigue, weight changes, temperature sensitivity, and mood alterations. Diagnosis typically involves blood tests to measure hormone levels, and treatment depends on the specific disorder, ranging from medication and lifestyle changes to surgical intervention.