define thyroxine in animals
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- Thyroxine is a hormone made in the thyroid gland for the regulation of metabolism, body heat production, blood pressure, and the normal development of the skeletal and nervous systems. Thyroxine is an amino acid-based hormone that targets the genes involved in the metabolism of glucose in the body. Iodine in the blood is a key component of making thyroxine, and if not enough iodine is present, it can lead to the development of abnormal growths called goiters.
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thyroxine thyroxine, thyroxin. a hormone of the thyroid gland that contains iodine and is a derivative of the amino acid tyrosine. The chemical name for thyroxine is tetraiodothyronine (symbol, T 4); it is formed and stored in the thyroid follicles as thyroglobulin, the storage form.Thyroxine is released from the gland by the action of a proteolytic enzyme.hyroxine, thyroxin. a hormone of the thyroid gland that contains iodine and is a derivative of the amino acid tyrosine. The chemical name for thyroxine is tetraiodothyronine (symbol, T 4); it is formed and stored in the thyroid follicles as thyroglobulin, the storage form.
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Definitions &Translations Levothyroxine (INN, USAN) or L-thyroxine is a synthetic thyroid hormone that is chemically identical to thyroxine (T 4), which is naturally secreted by the follicular cells of the thyroid gland. It is used to treat thyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer. Like its naturally secreted counterpart, levothyroxine is a chiral compound in the L-form. The related drug dextrothyroxine (.
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thyroxine Noun. 1. thyroxine-hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; thyroxine is 65% iodine. tetraiodothyronine, thyroxin, T. thyroid hormone-any of several closely related compounds that are produced by the thyroid gland and are active metabolically.hyroxine. n. 1. (Biochemistry) the principal hormone produced by the thyroid gland: it increases the metabolic rate of tissues and also controls growth, as in amphibian metamorphosis. It can be synthesized or extracted from the thyroid glands of animals and used to treat hypothyroidism.
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- This article is about levothyroxine as a pharmaceutical drug. For its role as a hormone, see Thyroid hormone. Levothyroxine (INN, USAN) or L-thyroxine is a synthetic thyroid hormone that is chemically identical to thyroxine (T 4), which is naturally secreted by the follicular cells of the thyroid gland.It is used to treat thyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer.his article is about levothyroxine as a pharmaceutical drug. For its role as a hormone, see Thyroid hormone. Levothyroxine (INN, USAN) or L-thyroxine is a synthetic thyroid hormone that is chemically identical to thyroxine (T 4), which is naturally secreted by the follicular cells of the thyroid gland.
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thyroid crisis 4. a preparation of thyroid gland from domesticated food animals, containing levothyroxine and liothyronine and used as replacement therapy in the diagnosis and treatment of hypothyroidism and the prevention and treatment of goiter and thyroid carcinoma; administered orally.
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- Thyroid Gland (Definition) It is an endocrine gland which produces thyroxin hormone which controls the metabolism in every cell in the body.It produces 80 to 90%t4 and 10 to 20 %t3. These control rate of metabolism and affect the growth and rate of functions of many cells in the body it is located in the neck. ...Read more.
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Managing Patients With Acute Thyrotoxicosis Critical care nurses who have an understanding of acute thyrotoxicosis (a life-threatening condition that occurs as a result of excess production and release of the thyroid hormones triiodothyronine and thyroxine) can quickly intervene to improve patients’ outcomes.
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What is Thyroxine? The thyroid gland is an important part of the endocrine system, secreting a number of hormones that affect everything from heart health to metabolism. One of those hormones is thyroxine, also known as T4. Because of the many functions that thyroxine impacts, it is considered one of the most important thyroid hormones. Understanding thyroxine is crucial to protecting your overall health.
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Effect of prednisone on thyroid gland morphology and plasma thyroxine and triiodothyronine concentrations in the dog. The effects of multiple IM injections of prednisone (2.2 mg/kg) on thyroid morphology and on plasma thyroxine (T4) and triiodothyronine (T3) concentrations in dogs were determined, and the effects of a single prednisone injection on the same circulating iodothyronine concentrations were assessed.
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- gland regulates metabolism in humans and other vertebrates. But in frogs, thyroxine has additional effects: it triggers the metamorphosis of a tadpole into an adult, stimulating resorption of the tadpole’s tail and other changes.
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- Thyroxine: A hormone that is made by the thyroid gland and is one of the most important thyroid hormones. Four iodine molecules are attached to the molecular structure of thyroxine.Along with the more powerful thyroid hormone triiodothyronine (T3), thyroxine affects almost every process in the body, including body temperature, growth, and heart rate. Also known as T4.hyroxine: A hormone that is made by the thyroid gland and is one of the most important thyroid hormones. Four iodine molecules are attached to the molecular structure of thyroxine.
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Glossary Thyroid gland: A gland that makes and stores hormones that help regulate the heart rate, blood pressure, body temperature, and the rate at which food is converted into energy. Thyroid hormones are essential for the function of every cell in the body.hyroid gland: A gland that makes and stores hormones that help regulate the heart rate, blood pressure, body temperature, and the rate at which food is converted into energy. Thyroid hormones are essential for the function of every cell in the body.
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pyridoxine Pyridoxine definition, a derivative of pyridine, C 8 H 1 1 NO 3 , occurring in whole-grain cereals, meats, fish, etc., and also made synthetically: required for the prevention of pellagra and the formation of hemoglobin; vitamin B 6 . See more.
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Thyroid Hormone Testing in Cats The major thyroid hormone that is produced by the thyroid gland is thyroxine (T4). A small amount of another thyroid hormone, triiodothyronine (T3), is also made by the thyroid gland. Thyroid hormones have far-reaching effects on the body, in essence governing the body's metabolic rate.
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Thyroxine Thyroxine is the name of the hormone secreted by thyroid gland which does the work of metabolic activities. It also controls the rate of oxidation level in the cells. Thyroxine hormone contains 65% iodine which is necessary for the production of T3 and T4 (tyrosine) hormones.hyroxine is the name of the hormone secreted by thyroid gland which does the work of metabolic activities. It also controls the rate of oxidation level in the cells. Thyroxine hormone contains 65% iodine which is necessary for the production of T3 and T4 (tyrosine) hormones.
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Iodine in biology See also iodine compounds Stable iodine in biology. Iodine is an essential trace element; its only known roles in biology are as constituents of the thyroid hormones, thyroxine (T4) and triiodothyronine (T3). These are made from addition condensation products of the amino acid tyrosine, and are stored prior to release in a protein-like molecule called thryroglobulin.
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- thyroxine. a thyroid hormone that contains iodine and is a derivative of the amino acid tyrosine, occurring naturally as l-thyroxine; its chemical name is tetraiodothyronine. It is formed and stored in the thyroid follicles as thyroglobulin and released from the gland by the action of a proteolytic enzyme. hormone of the thyroid gland that contains iodine and is a derivative of the amino acid tyrosine. The chemical name for thyroxine is tetraiodothyronine (symbol, T 4); it is formed and stored in the thyroid follicles as thyroglobulin, the storage form.
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Thyroxine The thyroid hormone thyroxine is also called T4 and is scientifically known as 3, 5, 3’5,’-tetraiodothyronine. It is a hormone produced by the thyroid gland and is a very important hormone in the body. The function of thyroxine involves the stimulation of oxygen consumption which leads to tissue and cellular metabolism.Along with that, it is used as a biochemical indicator of the functioning of the thyroid gland.hyroxine is also converted by the kidney and the liver and turned to other kinds of hormones. Because it plays such an important role in numerous functions of the body, having too much or too little of the thyroid hormone can cause problems in the body.
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toxin tox·in. n. 1. A poisonous substance, especially a protein, that is produced by living cells or organisms and is capable of causing disease when introduced into the body tissues but is often also capable of inducing neutralizing antibodies or antitoxins. 2.oxin. n. 1. (Pathology) any of various poisonous substances produced by microorganisms that stimulate the production of neutralizing substances (antitoxins) in the body. See also endotoxin, exotoxin. 2. (Biology) any other poisonous substance of plant or animal origin.
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- What is triiodothyronine? Triiodothyronine is the active form of the thyroid hormone, thyroxine. Approximately 20% of triiodothyronine is secreted into the bloodstream directly by the thyroid gland. The remaining 80% is produced from conversion of thyroxine by organs such as the liver and kidneys.rint | Email article to a friend | Last updated: January 11, 2015. Triiodothyronine is a thyroid hormone that plays vital roles in the body’s metabolic rate, heart and digestive functions, muscle control, brain development and the maintenance of bones. Alternative names for triiodothyronine T3.
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- Print | Email article to a friend | Last updated: January 11, 2015. Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.Alternative names for thyroxine T4; tetraiodothyronine; thyroxin.rint | Email article to a friend | Last updated: January 11, 2015. Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.
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Why Thyroxine is the Most Important Hormone Produced by the Thyroid Gland And How to Make Sure itâs Readings Are Kept Stable Thyroxine is the most important hormone produced by the thyroid gland. When the gland produces little or too much of this hormone, the body system faces major challenges. For example, if the thyroid is under-active, this could result in Goitre, which is a swelling at the neck.
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The Heart and the Thyroid Gland Symptoms and Signs. Increased levels of thyroxine released from the thyroid gland stimulate the heart to beat more quickly and more strongly. Initially this may produce a fast heart rate which is called a tachycardia. This is observed by a nurse or physician but is usually not noticed by the patient.
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How Does Thyroxine Increase the Metabolic Rate? Thyroxine is the main hormone produced by the thyroid gland and what controls the body's basal metabolic rate (BMR). A person's basal metabolic rate refers...
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- The thyroid hormones, triiodothyronine (T3) and its prohormone, thyroxine (T4), are tyrosine-based hormones produced by the thyroid gland that are primarily responsible for regulation of metabolism.Iodine is necessary for the production of T 3 and T 4.he major form of thyroid hormone in the blood is thyroxine (T 4), which has a longer half-life than T 3. In humans, the ratio of T 4 to T 3 released into the blood is roughly 20 to 1.