| thyrotoxic coma | Coma preceding death in severe hyperthyroidism, as in thyroid storm or thyrotoxic crisis. (05 Mar 2000) |
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| thyrotoxic complement-fixation factor | A form of thyrotoxin; an antigen found most readily in thyroid tissue from thyrotoxic individuals; known to be chemically and immunologically distinct from thyroglobulin, and fixes complement when combined with antibody related to the gamma-globulin fraction of serum. With the exception of extremely small concentrations, the antigen is rarely found in normal glands or in diseased glands that are not associated with thyrotoxicosis; it is probably an intracellular substance (possibly a constituent of the "microsomal fraction"), and does not contain iodine in significant quantity. Not related to the complement-fixation reaction occurring with serum in Hashimoto's disease, in which the antigen is thyroglobulin. (05 Mar 2000) |
| thyrotoxic crisis | Thyroid crisis, the exacerbation of symptoms that occurs in severe thyrotoxicosis; can follow shock or injury or thyroidectomy; marked by rapid pulse (140 to 170 per minute), nausea, diarrhoea, fever, loss of weight, extreme nervousness, and a sudden rise in the metabolic rate; coma and death may occur; occasionally the entire clinical picture is that of profound prostration, weakness, and collapse, without the phase of muscular overactivity and tachycardia. Synonym: thyroid storm. (05 Mar 2000) |
| thyrotoxic encephalopathy | A metabolic encephalopathy arising in severe cases of thyrotoxicosis. (05 Mar 2000) |
| thyrotoxic heart disease | Cardiac symptoms, signs, and physiologic impairment due to overactivity of the thyroid gland usually due to excessive sympathetic stimulation. (05 Mar 2000) |
| thyrotoxic myopathy | Extreme muscular weakness in severe thyrotoxicosis affecting muscles of limbs and trunk as well as those used in speech and swallowing. (05 Mar 2000) |
| thyrotoxic serum | An antiserum obtained by injecting into animals the nucleoproteins of the thyroid gland. (05 Mar 2000) |
| thyrotoxicosis | <disease, endocrinology> The condition resulting from presentation to the tissues of excessive quantities of the thyroid hormones, whether the excess results from overproduction by the thyroid gland (as in Graves disease), originated outside the thyroid or is due to loss of storage function and leakage from the gland. (18 Nov 1997) |
| thyrotoxin | 1. A hypothetical substance formerly believed to be an abnormal product of diffusely hyperplastic thyroid glands in persons with Graves' disease, and presumed to be the cause of the distinctive signs and symptoms of that condition (in contrast to simple hyperthyroidism). 2. A complement-fixing antigenic factor associated with certain diseases of the thyroid gland. See: thyrotoxic complement-fixation factor. 3. Rarely used term referring to any material toxic to thyroidal tissue. (05 Mar 2000) |
| thyrotroph | A cell in the anterior lobe of the pituitary that produces thyrotropin. (05 Mar 2000) |
| thyrotrophic | Synonym: thyrotropic. Origin: thyro-+ G. Trophe, nourishment (05 Mar 2000) |
| thyrotrophic releasing hormone | <endocrinology> Tripeptide (pyroGlu His Pro NH2) that releases thyrotrophin from the anterior pituitary by stimulating adenyl cyclase. May also have neurotransmitter and paracrine functions. (18 Nov 1997) |
| thyrotrophin | thyroid stimulating hormone |
| thyrotropic | Stimulating or nurturing the thyroid gland. Synonym: thyrotrophic. Origin: thyro-+ G. Trope, a turning (05 Mar 2000) |
| thyrotropic hormone | thyroid stimulating hormone |
| thymus |
An immune system gland located at the base of the neck in young vertebrates; it tends to disappear or become nonfunctional in adults.
출처: www.uoguelph.ca/GTI/urbanpst/glossn_z.htm
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| thyroid gland |
An endocrine gland which lies in front of the trachea, or wind pipe.
출처: www.uoguelph.ca/GTI/urbanpst/glossn_z.htm
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| thyroid hormone |
The thyroid gland makes T3 (triiodothyronine) and T4 (thyroxine), which together are considered thyroid hormone. T3 and T4 have identical effects on cells. Thyroid hormone affects heart rate, blood pressure, body temperature, and weight. T3 and T4 are stored as thyroglobulin, which can be converted back into T3 and T4
출처: dictionary.rare-cancer.org/dictionary.php
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| thymine |
A nitrogenous base, one of the four building blocks of the DNA double helix.
출처: www.lsdn.com/glance_glossary.shtml
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| thymus |
a gland in the upper chest/lower neck where T cells develop, part of the immune system
출처: www.chfpatients.com/glossary_2.htm
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