TSH receptor
The receptor for thyroid stimulating hormone (TSH), which is also called thyrotropin. Encoded by a gene on chromosome 14q, TSHR is largest of all known glycoprotein hormone receptors. It is one of the primary antigens in autoimmune thyroid disease. Autoantibodies to TSHR act as TSH agonists in Graves’ disease and as TSH antagonists in Hashimoto thyroiditis.
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- TSI
Thyroid stimulating immunoglobulin.
- Tsutsugamushi disease
A mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi, characteristically with fever, headache, a raised (macular) rash, swollen glands (lymphadenopathy) and a dark crusted ulcer (called an eschar or tache noire) at the site of the chigger (mite larva) bite. This disease occurs in the area bounded by Japan, India, and Australia. Known also […]
- TTP (thrombotic thrombocytopenic purpura)
A life-threatening disease involving embolism and thrombosis (plugging) of the small blood vessels in the brain. It is usually caused by inhibition of an enzyme called ADAMTS13 which normally serves to break up a blood protein called Von Willebrand Factor into smaller pieces. TTP is characterized by platelet microthrombi (tiny traveling clots composed of platelets, […]
- TTR
The gene that encodes transthyretin, a plasma protein consisting of 127 amino acids that binds retinol and thyroxine. Many distinct forms of amyloidosis have been related to different point mutations in TTR.
- Tubal pregnancy
Pelvic inflammatory disease (PID) which can damage the tube’s functioning or leave it partly or completely blocked; Surgery on a Fallopian tube; Surgery in the neighborhood of the Fallopian tube which can leave adhesions (bands of tissue that bind together surfaces); A prior tubal pregnancy; A history of repeated induced abortions; A history of infertility […]