| TSH | Thyrotropin(Thyroid) Stimulating Hormone = Thyrotropin |
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| TSHRF | Thyrotropin(Thyroid) Stimulating Hormone Releasing Factor = Thyrotropin Releasing Fa... |
| AChRs | Acetylcholine Receptors |
| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| TRH | Thyrotropin Releasing Hormone |
| TSH | The serum thyrotropin |
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| TBII | Thyrotropin binding inhibitor immunoglobulin |
| TSHR | Thyrotropin receptor |
| TRHR | Thyrotropin-Releasing Hormone Receptor |
| AR | Alpha1-adrenergic receptors |
| receptors, thyrotropin | Cell surface proteins that bind thyrotropin and trigger intracellular changes influencing the behaviour of cells. These receptors are present in the nervous system and on cells in the thyroid gland. Autoantibodies to these receptors are implicated in graves', hashimoto's, and other thyroid diseases. (12 Dec 1998) |
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| receptors, thyrotropin-releasing hormone | Cell surface receptors that bind thyrotropin releasing hormone (trh) with high affinity and trigger intracellular changes which influence the behaviour of cells. Activated trh receptors in the anterior pituitary stimulate the release of thyrotropin (thyroid stimulating hormone, tsh). Trh receptors on neurons mediate neurotransmission by trh. (12 Dec 1998) |
| hormone, thyrotropin | A hormone produced by the pituitary gland (at the base of the brain) that promotes the growth of the thyroid gland (in the neck) and stimulates it. The suffix -tropin indicates an affinity for. Thyrotropin has an affinity for the thyroid. Thyrotropin is known also as thyroid stimulating hormone (tsh). (12 Dec 1998) |
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| thyrotropin | <endocrinology> Polypeptide hormone (28 kD), secreted by the anterior pituitary gland, that activates cyclic AMP production in thyroid cells leading to production and release of the thyroid hormones (T4 and T3). T4 and T3 blood levels feedback on the pituitary gland and decrease thyroid stimulating hormone production when T3 and T4 levels are high. (27 Sep 1997) |
| thyrotropin-producing adenoma | <tumour> A rare pituitary adenoma usually associated with hypo-or hyperthyroidism. (05 Mar 2000) |
| thyrotropin-releasing factor | Former name for thyrotropin-releasing hormone. (05 Mar 2000) |
| thyrotropin-releasing hormone | <protein> See thyrotrophic releasing hormone. (18 Nov 1997) |
| thyrotropin-releasing hormone stimulation test | TRH stimulation test, a test of pituitary response to injection of thyrotropin-releasing hormone, which normally stimulates pituitary secretion of thyroid-stimulating hormone (TSH, thyrotropin), used primarily to distinguish pituitary from hypothalamic causes of thyroid disorders; TSH does not rise in cases of pituitary dysfunction, but does rise in cases of hypothalamic disorders. (05 Mar 2000) |
| thyrotropin resistance | An autosomal recessive disorder in which the thyrocytes are unresponsive to thyrotropin. Compare: pseudohypoparathyroidism. (05 Mar 2000) |
| adrenergic receptors | Reactive components of effector tissues, most of which are innervated by adrenergic postganglionic fibres of the sympathetic nervous system. Such receptor's can be activated by norepinephrine and/or epinephrine and by various adrenergic drugs; receptor activation results in a change in effector tissue function, such as contraction of arteriolar muscles or relaxation of bronchial muscles; adrenergic receptor's are divided into alpha-receptor's and beta-receptor's, on the basis of their response to various adrenergic activating and blocking agents. Synonym: adrenoceptor, adrenoreceptors. (05 Mar 2000) |
| alpha-adrenergic receptors | Adrenergic receptor's in effector tissues capable of selective activation and blockade by drugs; conceptually derived from the ability of certain agents, such as phenoxybenzamine, to block only some adrenergic receptor's and of other agents, such as methoxamine, to activate only the same adrenergic receptor's. Such receptor's are designated as alpha-receptors. Their activation results in physiological responses such as increased peripheral vascular resistance, mydriasis, and contraction of pilomotor muscles. (05 Mar 2000) |
| ANP clearance receptors | Cell surface proteins that bind atrial natriuretic peptide and ANP fragments without initiating biological action. (05 Mar 2000) |
| ANP receptors | Cell surface receptors for atrial natriuretic peptide that have a single transmembrane spanning element; these have integral kinase and guanylate cyclase domains. (05 Mar 2000) |
| B-cell antigen receptors | In the primary immune response immunoglobulin D and monomeric immunoglobulin M are the B-cell antigen receptors. On memory B-cells, other immunoglobulin molecules can serve as antigen receptors. (05 Mar 2000) |
| beta-adrenergic receptors | Adrenergic receptor's in effector tissues capable of selective activation and blockade by drugs; conceptually derived from the ability of certain agents, such as propranolol, to block only some adrenergic receptor's and of other agents, such as isoproterenol, to activate only the same adrenergic receptor's. Such receptor's are designated as beta-receptors. Their activation results in physiological responses such as increases in cardiac rate and force of contraction (b1), and relaxation of bronchial and vascular smooth muscle (b2). (05 Mar 2000) |
| mannose-6-phosphate receptors | Receptors in Golgi apparatus to which newly synthesised proteins that are destined to enter lysosomes bind. (05 Mar 2000) |
| receptors, adrenergic | Cell-surface proteins that bind epinephrine and/or norepinephrine with high affinity and trigger intracellular changes. The two major classes of adrenergic receptors, alpha and beta, were originally discriminated based on their cellular actions but now are distinguished by their relative affinity for characteristic synthetic ligands. Adrenergic receptors may also be classified according to the subtypes of g-proteins with which they bind; this scheme does not respect the alpha-beta distinction. (12 Dec 1998) |
Synonyms : LATS Receptors, Receptor, LATS Immunoglobulins, Receptors, LATS, Receptors, Long-Acting Thyroid Stimulator, Receptors, TSH, TSH Receptor, Thyroid Stimulating Hormone Receptor, Thyrotropin Receptor, Receptor, TSH, Receptor, Thyrotropin
Synonyms : Protirelin Receptor, TRH Receptor, Thyrotropin Releasing Hormone Receptor, Receptor, Protirelin, Receptor, TRH, Receptors, Thyrotropin Releasing Hormone, Thyrotropin-Releasing Hormone Receptors
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