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Trichostatin A
Trichostatin A (TSA) is a Streptomyces-derived antibiotic that potently and reversibly inhibits histone deacetylases; too toxic for a drug, it became a cornerstone epigenetics research tool.
Trichostrongyliasis
Trichostrongyliasis (trichostrongylosis) is a zoonotic intestinal nematode infection caused by Trichostrongylus species such as T. colubriformis, T. axei, and T. orientalis, acquired by ingesting larvae on contaminated vegetables; mostly asymptomatic, diagnosed by eggs in stool.
Trichosurus
Trichosurus, the brush-tailed possums, is an Australian marsupial genus in Phalangeridae with three to five recognized species, including the common brushtail T. vulpecula, a cat-sized nocturnal herbivore and major pest in New Zealand.
Trichothecene
Trichothecenes are a family of sesquiterpenoid mycotoxins produced chiefly by Fusarium fungi, with deoxynivalenol the most common. They inhibit protein synthesis and contaminate cereal grains.
Trichothiodystrophy
Trichothiodystrophy (TTD), also called Tay syndrome or sulfur-deficient brittle hair syndrome, is a rare autosomal recessive disorder with tiger-tail brittle hair, ichthyosis, developmental delay, and photosensitivity without skin cancer risk.
Trichotillomania
Trichotillomania, or hair-pulling disorder, is a psychiatric disorder of recurrent hair pulling causing hair loss, classified in DSM-5 as an obsessive-compulsive and related disorder, treated first with habit reversal training.
Trichromacy
Trichromacy: normal human color vision based on three cone classes (L, M, S) such that any color can be matched with three primaries; foundation of colorimetry, distinct from dichromacy and tetrachromacy.
Trichrome stain
The trichrome stain is a histological method using contrasting acid dyes to color collagen blue or green while muscle and cytoplasm stain red, widely used for liver fibrosis.
Trichuriasis
Trichuriasis (whipworm infection), caused by the nematode Trichuris trichiura, an intestinal soil-transmitted helminth infecting hundreds of millions; eggs infective after 15-30 days in soil, treated with mebendazole or albendazole.
Trichuris trichiura
Trichuris trichiura, the human whipworm, is a soil-transmitted nematode causing trichuriasis; adults inhabit the colon, females shed up to 20,000 eggs daily, and about 460-800 million people are infected worldwide.
Trichy assault rifle
The Trichy assault rifle, also known as the TAR, is an Indian 7.62x39mm assault rifle built by Ordnance Factory Tiruchirappalli as an indigenous alternative to the AK-47 for police forces.
Tricia Devereaux
Tricia Devereaux, stage name of Karen Marie-Pauline Flohr (also Karen Stagliano), American adult film performer active 1995-1998, HIV positive in 1998, later Evil Angel executive and wife of John Stagliano.
Tricia Dunn Luoma
Tricia Dunn-Luoma, also known as Patricia Dunn, born 1974 in Derry, New Hampshire, is an American retired ice hockey forward who won gold, silver, and bronze at the 1998, 2002, and 2006 Winter Olympics and holds the Olympic career penalty-minutes record.
Tricia Helfer
Tricia Helfer, Canadian actress and former model, won Ford's Supermodel of the World 1992 and played Cylon Number Six in Battlestar Galactica; also voices EDI in Mass Effect and Kerrigan in StarCraft II.
Tricia Leigh Fisher
Tricia Leigh Fisher (born 1968, Burbank, California) is an American actress and singer, daughter of Eddie Fisher and Connie Stevens, half-sister of Carrie Fisher; films include Stick, Book of Love, and Saving Grace B. Jones.
Tricia McLaughlin (spokeswoman)
Tricia McLaughlin, DHS Assistant Secretary for Public Affairs from January 2025 to February 2026, chief spokesperson for Secretary Kristi Noem; formerly State, Treasury, DeWine, Ramaswamy campaign, ABC News contributor.
Tricia Nixon Cox
Tricia Nixon Cox (Patricia Nixon Cox, born 1946) is the elder daughter of Richard and Pat Nixon, married Edward Finch Cox in the first outdoor White House Rose Garden wedding on June 12, 1971, and is a Nixon Foundation trustee living in New York City.
Tricia Penrose
Tricia Penrose, also known as Patricia Penrose, is an English actress and singer. She is best known for playing Gina Ward in the long-running series Heartbeat from 1993 to 2010.
Tricia Wallwork
Tricia Wallwork, also published as Patricia Wallwork, is an American executive who leads Milo's Tea Company, America's top-selling refrigerated tea brand, as chair and CEO.
Tricia Zucker
Tricia Zucker is an American developmental and education researcher who co-directs the Children's Learning Institute at UTHealth Houston and studies early identification of reading disabilities.
Tricida
Tricida was a pharmaceutical company, founded in 2013, that developed veverimer, a non-absorbed oral polymer for metabolic acidosis in chronic kidney disease; it liquidated after its Phase 3 trial failed.
Tricine
Tricine (N-tris(hydroxymethyl)methylglycine) is a zwitterionic amino acid derivative used as a buffer in biochemical research, and as the trailing ion in Tricine-SDS-PAGE, resolving proteins from 1 to 100 kDa.
Trick 'r Treat
Trick 'r Treat (2007) is Michael Dougherty's Halloween horror anthology set in Warren Valley, Ohio, starring Anna Paquin, Dylan Baker, and Brian Cox, connected by Sam, a sack-masked trick-or-treater; shelved until 2009, it became a cult classic with a sequel in development.
Trick (1999 film)
Trick (1999) is an American gay romantic comedy directed by Jim Fall, written by Jason Schafer, starring Christian Campbell, John Paul Pitoc, and Tori Spelling; a Sundance premiere about two men seeking a place to spend one night in New York.
Trick (Alex G album)
Trick (TRICK) is the fourth studio album by Alex G (Alex Giannascoli), self-released on Bandcamp November 5, 2012 and commercially reissued mastered by Lucky Number Music on April 6, 2015; a 16-song, 37-minute lo-fi home recording.
Trick Daddy
Trick Daddy (Maurice Samuel Young), Miami rapper and "Mayor of Dade County," Dirty South star behind "Nann," "Shut Up," and platinum Thugs Are Us; seven straight Top 10 R&B/hip-hop albums, later a 99Jamz host and cooking show personality.
Trick deck
Trick deck, also called gimmicked or mechanical deck: a playing-card deck altered in length, cut, printing, or coating so magicians can perform card tricks without difficult sleight of hand; types include marked, stripper, Svengali, and invisible decks.
Trick Williams
Trick Williams (Matrick Belton), American WWE wrestler from Columbia, South Carolina; two-time NXT and United States Champion, first active WWE Superstar to win the TNA World Title, SmackDown star known for "Whoop That Trick."
Trick-or-treating
Trick-or-treating, also known as Trick or treat, is a Halloween custom where children ask for candy. Americans spend over $11 billion annually on the holiday.
Trick-taking game
Trick-taking game: card game genre where each player plays one card per trick and a rule (highest trump or highest led-suit card) decides the winner. Includes Bridge, Whist, Spades, Hearts, Euchre, Skat, Ombre; trumps from Tarot, bidding from Ombre.