The word "thyrotoxic" is spelled as /θaɪrəʊtɒksɪk/. The reason for this spelling lies in its etymology. "Thyro" refers to the thyroid gland, which produces hormones that regulate metabolism. "Toxic" means poisonous. Together, these words indicate a state in which the thyroid gland produces too much hormone, causing symptoms of toxicity such as weight loss, nervousness, and rapid heartbeat. The IPA transcription helps to understand the pronunciation of each syllable, making it easier to learn and use the word correctly.
Thyrotoxic is an adjective used to describe a medical condition or a state characterized by excessive thyroid hormone production, leading to increased levels of circulating thyroid hormones in the body. It is primarily associated with an overactive thyroid gland, also known as hyperthyroidism.
When the thyroid gland becomes overactive, it produces and releases an excessive amount of thyroid hormones, such as thyroxine (T4) and triiodothyronine (T3), into the bloodstream. These hormones play a crucial role in regulating the body's metabolism, controlling energy levels, and maintaining other vital bodily functions. However, in cases of thyrotoxicosis, the excess amount of these hormones disrupts the normal balance, resulting in a range of symptoms and potential complications.
Symptoms of thyrotoxicosis include increased heart rate, weight loss, anxiety, irritability, tremors, perspiration, heat intolerance, fatigue, and muscle weakness. Severe cases may also present with a variety of complications, including heart palpitations, high blood pressure, eye problems (such as bulging eyes or eye discomfort), goiter (enlarged thyroid gland), and even thyroid storm, a life-threatening condition characterized by extreme manifestations of thyrotoxicosis.
Thyrotoxicosis can be caused by various factors, such as Grave's disease (an autoimmune disorder), toxic multinodular goiter, thyroiditis (inflammatory condition of the thyroid), or excessive intake of thyroid hormone medications. Treatment typically involves medication to suppress thyroid hormone production, radioactive iodine therapy, or surgery to remove the thyroid gland (thyroidectomy). Regular monitoring and management of the condition are crucial to prevent complications and restore hormonal balance.
Relating to thyrotoxin.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "thyrotoxic" is formed by combining two Greek roots: "thyro-" and "toxic".
The root "thyro-" refers to the thyroid gland, which is an endocrine gland located in the neck that produces important hormones involved in regulating metabolism and growth. This root comes from the Greek word "thyreo", meaning "shield", possibly because the shape of the thyroid gland resembles a shield.
The root "toxic" comes from the Greek word "toxikon", meaning "poison". It is derived from the word "toxon", which referred to a bow or an arrow, as Greek archers would often coat their arrows with poison to make them more lethal.
So, when combined, "thyrotoxic" refers to a condition or substance that is poisonous or toxic to the thyroid gland.