Exam: TOEFL

Definition: A small organ located behind the breastbone that helps develop the immune system, especially in young people.

Example: The thymus plays a crucial role in the development of T cells, which are important for the immune response.

Definition: A gland in the neck that produces hormones regulating metabolism, growth, and development.

Example: The doctor examined the patient's thyreoid to check for any abnormalities.

Definition: A type of semiconductor device that can control electrical power and is used in various electronic circuits as a switch or rectifier.

Example: The thyristor is commonly used in power control applications such as light dimmers and motor speed controls.

Definition: A hormone produced by the thyroid gland that helps regulate calcium levels in the blood.

Example: Thyrocalcitonin plays a crucial role in lowering blood calcium levels.

Definition: A protein found in the thyroid gland that helps produce hormones important for regulating metabolism and growth.

Example: Thyroglobulin levels are often measured to assess thyroid function.

Definition: Relating to or affecting the thyroid gland, which is located in the neck and produces hormones that regulate metabolism.

Example: The doctor explained that thyroidal issues can lead to various health problems.

Definition: A surgical procedure to remove the thyroid gland from the body.

Example: After the diagnosis, the doctor recommended a thyroidectomy to treat the patient's condition.

Definition: A medical condition caused by having too much thyroid hormone in the body, often leading to symptoms like weight loss, rapid heartbeat, and anxiety.

Example: The doctor diagnosed her with thyrotoxicosis after she reported symptoms of increased heart rate and weight loss.

Definition: Relating to the stimulation of the thyroid gland or the process of thyrotropism.

Example: The thyrotrophic hormone plays a crucial role in regulating metabolism.

Definition: A hormone produced by the anterior pituitary gland that helps control the activity of the thyroid gland.

Example: Thyrotrophin plays a crucial role in regulating metabolism by stimulating the thyroid gland.