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Transactions of the Royal Society of Tropical Medicine and Hygiene

Transactions of the Royal Society of Tropical Medicine and Hygiene (TRSTMH), monthly peer-reviewed journal of the RSTMH founded 1907, published by Oxford University Press; covers tropical medicine, infectious diseases, parasitology, and public health; 2025 Impact Factor 1.6.

Transaldolase

Transaldolase (TAL, EC 2.2.1.2, human gene TALDO1) is a cofactor-less pentose phosphate pathway enzyme transferring a 3-carbon dihydroxyacetone unit via a lysine Schiff base; its inherited deficiency is a rare liver disease.

Transaldolase deficiency

Transaldolase deficiency (TALDO deficiency, Eyaid syndrome, OMIM 606003) is a rare autosomal recessive pentose phosphate pathway disorder caused by TALDO1 variants, causing liver disease, cytopenias, cardiac defects, and polyol accumulation.

Transalkylation

Transalkylation is a catalytic reaction that transfers an alkyl group from one aromatic molecule to another, used industrially to convert toluene and C9 aromatics into benzene and xylenes.

Transall C-160

The Transall C-160 is a twin-engine tactical military transport aircraft built by a Franco-German consortium, flown by France, Germany, and Turkey from its first flight in 1963 until 2026.

Transalpine Pipeline Group

The Transalpine Pipeline Group (TAL) operates a 753 km crude oil pipeline from Trieste across Austria to refineries in Germany and the Czech Republic, in service since 1967.

TransAlta

TransAlta is a Canadian independent power generation company headquartered in Calgary, Alberta, operating hydroelectric, wind, solar, and natural gas plants in Canada, the United States, and Australia.

TransAlta USA

TransAlta USA is the United States operations platform of TransAlta Corporation, a Canadian power generator, running 12 facilities across nine states, anchored by the Centralia plant in Washington.

Transamerica (film)

Transamerica is a 2005 American comedy-drama road film written and directed by Duncan Tucker, starring Felicity Huffman as Bree, a pre-operative transsexual woman on a cross-country trip with the son (Kevin Zegers) she never knew she had; Golden Globe winner, two Oscar nominations.

Transamerica Corporation

Transamerica Corporation is the American insurance, retirement, and investment business of Aegon Ltd., serving over 10 million US customers; it was incorporated in 1928 as Bank of America's parent.

Transamerica Pyramid

The Transamerica Pyramid is an 853-foot, 48-story pyramid-shaped office tower at 600 Montgomery Street in San Francisco's Financial District, designed by William Pereira and opened in 1972 as the city's tallest building until 2018.

Transamination

Transamination: enzyme-catalyzed transfer of an amino group from an amino acid to a keto acid, via PLP-dependent aminotransferases (ALT, AST) in a ping-pong mechanism; discovered by Braunstein in 1937, central to nitrogen metabolism and industrial chiral amine synthesis.

Transanal endoscopic microsurgery

Transanal endoscopic microsurgery (TEM) is a minimally invasive operation in which a rigid, sealed rectoscope is inserted through the anus to excise rectal tumors and close the defect, with no abdominal incision.

Transanal Endoscopic Surgery

Transanal endoscopic surgery (TES): TEM, TEO, and TAMIS techniques for local excision of rectal neoplasms through the anus using CO2 insufflation and endoscopic optics; TEM introduced by Gerhard Buess in 1983, TAMIS in 2010.

Transanal excision

Transanal excision (TAE) is a surgical technique that removes rectal lesions and early tumors through the anus, without abdominal incision, as an organ-sparing alternative to radical resection for selected low rectal tumors.

Transanal irrigation

Transanal irrigation (TAI) is a bowel management technique in which water is introduced into the rectum and colon to provoke emptying, treating chronic constipation, fecal incontinence, and neurogenic bowel dysfunction.

Transanal total mesorectal excision

Transanal total mesorectal excision (taTME) is an operation for mid and low rectal cancer in which the rectum and mesorectum are dissected through the anus, from below.

Transantiago

Transantiago is the integrated public transport system of Santiago, Chile, combining private bus operators with the state-owned Metro; its chaotic 2007 launch became a widely studied reform.

Transaquincum

Transaquincum: Roman bridgehead fort on the Pest (left) bank of the Danube in Budapest, opposite the legionary fortress of Aquincum; also called Contra Aquincum; 76 x 76 m, built under Commodus, rebuilt under Valentinian.

Transarterial chemoembolization

Transarterial chemoembolization (TACE) is an interventional radiology procedure that delivers chemotherapy through tumor-feeding hepatic arteries with embolic agents, the recommended first-line treatment for intermediate-stage hepatocellular carcinoma when surgery is unsuitable.

TransAsia Airways Flight 235

TransAsia Airways Flight 235 was a domestic flight in Taiwan that crashed into the Keelung River in Taipei on February 4, 2015, killing 43 of 58 aboard.

Transatlantic (TV series)

Transatlantic is a 2023 Netflix seven-part limited series by Anna Winger and Daniel Hendler, set in 1940-41 Marseille and inspired by Julie Orringer's The Flight Portfolio and the true Varian Fry, Mary Jayne Gold, and Emergency Rescue Committee rescue story.

Transatlantic cable-laying expeditions

The transatlantic cable-laying expeditions were shipborne operations that laid telegraph cable across the Atlantic between Ireland and Newfoundland, failing in 1857–1858 and 1865 before succeeding in 1866.

Transatlantic communications cable

A transatlantic communications cable is a submarine cable on the Atlantic seabed carrying telegraph, telephone, and data traffic between North America and Europe, first completed in 1858.

Transatlantic crossing

Transatlantic crossing: ocean or air voyage between Europe and the Americas. Norse crossed by AD 1021; steam cut weeks to days (SS United States record 3d 10h 40m, 1952); jets made it hours.

Transatlantic flight

A transatlantic flight is an aircraft crossing of the Atlantic Ocean, opened after the First World War from NC-4's staged 1919 crossing to scheduled commercial service by 1939.

Transatlantic flight of Alcock and Brown

The transatlantic flight of Alcock and Brown was the first non-stop flight across the Atlantic, flown by John Alcock and Arthur Brown from Newfoundland to Ireland in June 1919.

Transatlantic telegraph cable

The transatlantic telegraph cable, also called the Atlantic Cable, ran about 1,600 miles between Ireland and Newfoundland, cutting message times from days to minutes after 1866.

Transatlantic Trade and Investment Partnership

TTIP (Transatlantic Trade and Investment Partnership) was a proposed US-EU trade and investment agreement, negotiated from July 2013 through 15 rounds, that ended without conclusion at the end of 2016; its directives were declared obsolete in 2019.

Transatlantic tunnel

The Transatlantic tunnel, or Atlantic tunnel, is a proposed never-built undersea rail link between New York and London, imagined since Jules Verne in 1895 but judged beyond current technology.