pyridoxine definition
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Definitions &Translations Freebase (0.00 / 0 votes) Rate this definition: Pyridoxine. Pyridoxine is one of the compounds that can be called vitamin B6, along with pyridoxal and pyridoxamine. It differs from pyridoxamine by the substituent at the '4' position. Its hydrochloride salt pyridoxine hydrochloride is often used.
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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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- Medical Definition of PYRIDINE. : a toxic water-soluble flammable liquid base C5H5N of pungent odor that is the parent of many naturally occurring organic compounds and is used as a solvent and a denaturant for alcohol and in the manufacture of pharmaceuticals (as antiseptics and antihistamines) and waterproofing agents. a toxic water-soluble flammable liquid base C5H5N of pungent odor that is the parent of many naturally occurring organic compounds and is used as a solvent and as a denaturant for alcohol and in the manufacture of pharmaceuticals and waterproofing agents. ADVERTISEMENT.
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Alternative names for thyroxine Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It is the inactive form and most of it is converted to an active form called triiodothyronine by organs such as the liver and kidneys.
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Medical Dictionary Medical definition of orexin: either of two neuropeptides (orexin A and orexin B) that are produced in the hypothalamus and play a role in regulating… either of two neuropeptides (orexin A and orexin B) that are produced in the hypothalamus and play a role in regulating wakefulness and food…
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Definitions &Translations Although pyridoxine and Vitamin B 6 are still frequently used as synonyms, especially by medical researchers, this practice is erroneous and sometimes misleading (EE Snell; Ann NY Acad Sci, vol 585 pg 1, 1990).
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epinephrine epinephrine. a hormone produced by the medulla of the adrenal glands; called also adrenaline. Its function is to aid in the regulation of the sympathetic branch of the autonomic nervous system. hormone produced by the adrenal medulla; called also adrenaline (British). Its function is to aid in the regulation of the sympathetic branch of the autonomic nervous system.
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- Thyroxine. The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood.
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pyro- pyro-. 1. Combining form denoting fire, heat, or fever. See also: pyreto-. 2. chemistry Combining form denoting derivatives formed by removal of water (usually by heat) to form anhydrides.yro-, prefix meaning fire or heat, or produced by heating: pyrocatechin, pyrodextrin, pyromania.
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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.
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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.our 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.
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Pyrimidine Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine. One of the three diazines (six-membered heterocyclics with two nitrogen atoms in the ring), it has the nitrogen atoms at positions 1 and 3 in the ring.The other diazines are pyrazine (nitrogen atoms at the 1 and 4 positions) and pyridazine (nitrogen atoms at the 1 and 2 positions).In nucleic acids, three types of nucleobases are pyrimidine derivatives: cytosine (C), thymine (T), and uracil (U).he pyrimidine ring system has wide occurrence in nature as substituted and ring fused compounds and derivatives, including the nucleotides, thiamine (vitaminB1) and alloxan. It is also found in many synthetic compounds such as barbiturates and the HIV drug, zidovudine.
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- Freebase(0.00 / 0 votes)Rate this definition: Levothyroxine. Levothyroxine, also L-thyroxine or T4, is a synthetic form of the thyroid hormone thyroxine, which is normally secreted by the follicular cells of the thyroid gland. It is also used to treat thyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer.
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thyroxine (T4) [thi-rok´sin] 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.
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- What is vitamin B6? Vitamin B6, also called pyridoxine, is a water-soluble nutrient that is part of the B vitamin family. B vitamins, including B6 vitamins, help support adrenal function, help calm and maintain a healthy nervous system, and are necessary for key metabolic processes.
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- pyrogenic (comparative more pyrogenic, superlative most pyrogenic) 1  producing heat, especially in the body. 2  producing fever. ( 3 geology) of a mineral formed from a magma at high temperature.
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Pyrimidine Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine. One of the three diazines (six-membered heterocyclics with two nitrogen atoms in the ring), it has the nitrogen atoms at positions 1 and 3 in the ring.he pyrimidine ring system has wide occurrence in nature as substituted and ring fused compounds and derivatives, including the nucleotides, thiamine (vitaminB1) and alloxan.
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Pyridoxine Pyridoxine (peer-ih-DOCK-seen) is also known as 3-Hydroxy-4,5-bis(hydroxymethyl)-2-methylpyridine; 3-hydroxy-4,5-dimethylol-2-methylpyridine; and vitamin B6. It is a white, odorless, crystalline compound with a slightly bitter taste.
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What is Diclegis? Doxylamine and pyridoxine combination is used to treat nausea and vomiting in pregnant women (also called morning sickness) whose symptoms have not been relieved by other therapies. This medicine is a combination of an antihistamine and vitamin B6. This medicine is available only with your doctor's prescription.
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pyrite Full Definition of PYRITE. : a common mineral that consists of iron disulfide, has a pale brass-yellow color and metallic luster, and is burned in making sulfur dioxide and sulfuric acid. See pyrite defined for English-language learners.See pyrite defined for kids.ull Definition of PYRITE. : a common mineral that consists of iron disulfide, has a pale brass-yellow color and metallic luster, and is burned in making sulfur dioxide and sulfuric acid. See pyrite defined for English-language learners. See pyrite defined for kids.
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- 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.
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- 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.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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Vitamin B 12 Pyridoxine, also known as vitamin B 6 and pyridoxol, is a form of vitamin B 6 found commonly in food and used as dietary supplement. As a supplement it is used to treat and prevent pyridoxine deficiency, sideroblastic anaemia, pyridoxine-dependent epilepsy, certain metabolic disorders, problems from isoniazid, and certain types of mushroom poisoning.
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Vitamin B 1 Good sources of pyridoxine – include cereal grains and legumes, green and leafy vegetables, fish and shellfish, meat and poultry, nuts, liver and fruit.  Excessive intake of pyridoxine – mostly due to supplementation, can lead to harmful levels in the body that can damage nerves.
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- Pyridoxine definition: a derivative of pyridine that is a precursor of the compounds pyridoxal and pyridoxamine | Meaning, pronunciation, translations and examples English Dictionary | Thesaurus | Translator | Grammar | Scrabble | Blog