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Your thyroid is an important endocrine gland that makes and releases hormones. Your thyroid's main job is to control your metabolism — how your body uses energy.
The thyroid is a 2-inch-long, butterfly-shaped gland in the front of your neck that controls your metabolism. It’s part of your endocrine system, which makes chemicals called hormones that help...
Thyroid hormone is the hormone that controls your body’s metabolism, the process in which your body transforms the food you eat into energy. The two main hormones your thyroid releases — thyroxine (T4) and triiodothyronine (T3) — collectively make up thyroid hormone.
Structure. Features. The thyroid gland surrounds the cricoid and tracheal cartilages and consists of two lobes. This image shows a variant thyroid with a pyramidal lobe emerging from the middle of the thyroid.
Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable symptoms in its early stages.
Thyroid hormone is required for normal brain and somatic tissue development in the fetus and neonate, and, in people of all ages, thyroid hormone regulates protein, carbohydrate, and fat metabolism. T4 has minimal hormonal activity, but its long half-life (8 days) serves as a reservoir or prohormone for T3.
Function. The thyroid gland is controlled by the hypothalamus and the pituitary gland, which are both located in the brain. The hypothalamus releases thyrotropin-releasing hormone (TRH), which then tells the pituitary gland to release thyroid-stimulating hormone (TSH).
The thyroid gland is a vital endocrine (hormone-producing) gland. It plays a major role in the metabolism, growth and development of the human body. It helps to regulate many body functions by constantly releasing a steady amount of thyroid hormones into the bloodstream.
Function. The thyroid gland plays a critical role in regulating various physiological processes throughout the body. Its primary function is to produce, store, and release hormones that regulate metabolism, growth, and development. These hormones influence nearly every organ system, affecting processes like energy consumption, temperature ...
The thyroid gland's main function is to regulate your metabolism. It produces hormones that help control your heart and digestive system. In infants, thyroid hormones help the brain and bones develop. A normal functioning thyroid gland is critical to the development of children and to both the long-term and minute-to-minute well-being of adults.