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Tyrosinemia type 1

Tyrosinemia type 1 (HT-1, hepatorenal tyrosinemia) is an autosomal recessive FAH-deficiency disorder causing liver and kidney damage, neurologic crises, and HCC risk; treated with nitisinone and a low-tyrosine diet.

Tyrosinemia type 2

Tyrosinemia type 2 (Richner-Hanhart syndrome, oculocutaneous tyrosinemia) is a rare autosomal recessive disorder caused by TAT gene deficiency at 16q22.2, causing corneal dystrophy, painful palmoplantar hyperkeratosis, and intellectual disability in about half of cases, treated with a tyrosine- and phenylalanine-restricted diet.

Tyrosinemia type 3

Tyrosinemia type 3 is a rare inherited disorder of tyrosine metabolism caused by HPD enzyme deficiency, marked by high blood tyrosine and, in some cases, intellectual disability and seizures.

Tyrosol

Tyrosol, 4-(2-hydroxyethyl)phenol, is a phenolic alcohol found in virgin olive oil and wine, produced by yeast during fermentation, and also made in the human body as a byproduct of tyramine metabolism.

Tyrothricin

Tyrothricin, a peptide antibiotic complex from Brevibacillus parabrevis discovered by René Dubos in 1939, mixes tyrocidines and gramicidins; first mass-produced antibiotic, topical use only due to hemolytic toxicity.

TYRP1

TYRP1, also known as TRP-1, is a human protein-coding gene on chromosome 9p23 that acts in the melanin pathway of pigment-producing cells; mutations cause albinism type 3.

Tyrrell Hatton

Tyrrell Hatton (born 1991, High Wycombe) is an English golfer with 8 DP World Tour wins, the 2020 Arnold Palmer Invitational, LIV Golf wins for Legion XIII, and four Ryder Cup appearances for Europe.

Tyrrell P34

Tyrrell P34 (Project 34), the six-wheeler: Derek Gardner's 1976-77 Formula One car with four 10-inch front wheels. Won the 1976 Swedish GP with Jody Scheckter; the only six-wheeled F1 car to race and win.

Tyrrell Racing

Tyrrell Racing Organisation, Ken Tyrrell's British F1 team (1968-1998), won three Stewart drivers' titles, the 1971 constructors' title, 33 GPs, and raced the six-wheeled P34; sold to BAR, now Mercedes' lineage.

Tyrrhena Dorsa

Tyrrhena Dorsa is an IAU-approved ridge system (dorsa) on Mars in the Mare Tyrrhenum quadrangle, about 763-779 km across near Tyrrhena Patera and Hesperia Planum; named in 1991 from a classical albedo feature.

Tyrrhena Fossae

Tyrrhena Fossae is a 305.55-km IAU-named channel system (fossae, approved 1991) on the northern flank of Tyrrhenus Mons (Tyrrhena Patera), one of Mars's oldest volcanoes, cutting ash-rich pyroclastic shield deposits.

Tyrrhena Terra

Tyrrhena Terra, an ancient heavily cratered highland region of Mars about 2,300 km across, north of Hellas Planitia; known for Noachian crust, hydrated silicates and sulfates, and Tyrrhena Patera volcano.

Tyrrhenian Basin

Tyrrhenian Basin: the young back-arc basin of the Mediterranean between Italy, Corsica-Sardinia, and Sicily, formed by Ionian slab rollback since about 10 Ma, with Vavilov and Marsili oceanic sub-basins reaching 3,600 m depth.

Tyrrhenian Sea

Tyrrhenian Sea (Mare Tirreno, Mare Tyrrhenum): arm of the Mediterranean between Italy, Corsica, Sardinia, and Sicily; deepest western Mediterranean basin (~3,900 m), a young back-arc basin opened by slab rollback since ~10 Ma, with Vavilov and Marsili oceanic sub-basins, Aeolian volcanism, and major ports at Naples and Civitavecchia.

Tyrrhenus Labyrinthus

Tyrrhenus Labyrinthus is an IAU-approved labyrinth of intersecting valleys on Mars, 102.68 km across at 16.18°S, 101.12°E in the Mare Tyrrhenum quadrangle, named in 2006 after the Tyrrhenian Sea.

Tyrrhenus Mons

Tyrrhenus Mons, also known as Tyrrhena Patera, is an ancient, low-relief volcano in the southern highlands of Mars, on the northeast rim of the Hellas impact basin.

Tyrsenian languages

Tyrsenian (Tyrrhenian) is a proposed extinct language family of Etruscan, Rhaetic, and Lemnian, with Camunic disputed, proposed by Helmut Rix in 1998 for pre-Indo-European languages of Italy, the Alps, and Lemnos.

Tyrus (wrestler)

Tyrus is the ring name of George Murdoch, an American professional wrestler best known as WWE's Brodus Clay and as NWA World Heavyweight Champion from 2022 to 2023.

Tyrus Wong

Tyrus Wong (黄齐耀, 1910–2016), Chinese American painter and production illustrator whose Song dynasty–inspired sketches defined Disney's Bambi; later Warner Bros. sketch artist, Hallmark Christmas card designer, kite maker, and 2001 Disney Legend.

Tyrving Oil and Gas Field

Tyrving, previously known as Trell & Trine, is an oil field in the Norwegian North Sea producing since 2024 through a subsea tie-back to the Alvheim FPSO.

Tysiac

Tysiacha (Тысяча, Polish Tysiąc), also called 1000 or Thousand, is a three-player 24-card point-trick game of Eastern Europe with bidding, king-queen marriages that set trumps, and a barrel endgame at 880 points toward a 1000-point target.

Tysmenytsya Raion

Tysmenytsya Raion (Тисменицький район) was a raion of Ivano-Frankivsk Oblast, Ukraine, centered on Tysmenytsia; created 1966, abolished July 2020 and merged into Ivano-Frankivsk Raion.

Tyson Bagent

Tyson Bagent (born 2000) is a Chicago Bears quarterback from Martinsburg, West Virginia. Undrafted from Division II Shepherd University, he holds the all-divisions NCAA record with 159 touchdown passes, won the 2021 Harlon Hill Trophy, and in 2023 became the first undrafted rookie since at least 1960 to start at quarterback for the Bears.

Tyson Beckford

Tyson Beckford (born 1970) is an American model and actor, the first Black male supermodel. Known as the face of Ralph Lauren's 1994 Polo Sport campaign and for Zoolander, Make Me a Supermodel, and closing the Ralph Lauren F/W 26 Milan show.

Tyson Chandler

Tyson Chandler, born 1982, is an American former NBA center (2001-2020), drafted 2nd overall in 2001, 2011 champion with Dallas and 2011-12 Defensive Player of the Year with the Knicks.

Tyson Foods

Tyson Foods is an American multinational food company headquartered in Springdale, Arkansas. Founded in 1935 by John W. Tyson, it processes chicken, beef, pork, and prepared foods.

Tyson Fury

Tyson Fury (Tyson Luke Fury, "The Gypsy King"), English heavyweight boxer born 1988 in Manchester; beat Klitschko 2015 and Wilder 2020, lost twice to Usyk 2024, record 36-2-1 (25 KOs), five retirements each followed by a comeback.

Tyson Fury vs. Arslanbek Makhmudov

Tyson Fury vs. Arslanbek Makhmudov, the Clash of the Giants: Fury's April 11, 2026 comeback at Tottenham Hotspur Stadium, London, streamed on Netflix, won by unanimous decision (120-108, 120-108, 119-109) before a called-out Anthony Joshua.

Tyson Fury vs. Deontay Wilder III

Tyson Fury vs. Deontay Wilder III, the October 9, 2021 heavyweight trilogy finale at T-Mobile Arena, Las Vegas: Fury retained the WBC and lineal titles, stopping Wilder by 11th-round TKO after five combined knockdowns.

Tyson Fury vs. Oleksandr Usyk (Олександр Усик)

Tyson Fury vs. Oleksandr Usyk (Олександр Усик) was a two-fight heavyweight boxing rivalry between Tyson Fury and Oleksandr Usyk, fought in Riyadh, Saudi Arabia, in 2024.