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  • Tribulus terrestris (plant)

    Zygophyllales: Zygophyllaceae: …these is Tribulus terrestris (puncture vine). This native of the Mediterranean region has been disseminated to all the drier warm areas of the world. It has hard fruits with sharp spines that easily attach to automobile and airplane tires and to the feet of grazing animals. The spines can…

  • Tribun du Peuple, Le (French revolutionary journal)

    Fran?ois-No?l Babeuf: …la presse (shortly thereafter renamed Le Tribun du peuple), in which he at first defended the Thermidorians and attacked the Jacobins. When he began to attack the Thermidorians, he was arrested (February 12, 1795) and imprisoned at Arras.

  • Tribuna of the Uffizi, The (work by Zoffany)

    John Zoffany: …a seven-year stay, executed “The Tribuna of the Uffizi” (1780) for the royal family. This celebrated work shows a group of connoisseurs admiring paintings and sculptures in the Uffizi Gallery in Florence. He worked as a portraitist in India from 1783 to 1789, and when he returned to England he…

  • tribunal (law)

    Court, a person or body of persons having judicial authority to hear and resolve disputes in civil, criminal, ecclesiastical, or military cases. The word court, which originally meant simply an enclosed place, also denotes the chamber, hall, building, or other place where judicial proceedings are

  • Tribunal Constitucional (Portuguese government)

    Portugal: Justice: …Council of State and the Constitutional Tribunal. Members of the Council of State are the president of the republic (who presides over the council), the president of the parliament, the prime minister, the president of the Constitutional Tribunal, the attorney general, the presidents of the governments of the autonomous regions,…

  • tribunal correctionnel (French law)

    crime, délit, and contravention: …penalties; courts of correction (tribunaux correctionnels), requiring judges but no jury, which try all other cases not involving serious bodily harm; and full courts with a jury in other crimes.

  • Tribunal de las Aguas (Spanish court)

    Valencia: …is the site of the Tribunal de las Aguas (Water Court), which has been in existence at least since the 10th century. It is composed of farmers who hear disputes over irrigation waters and dispense justice on the spot, conducting all proceedings orally in the Valencian dialect of Catalan.

  • Tribunal de los Revoltosos (Netherlands history)

    Council of Troubles, (1567–74), special court in the Low Countries organized by the Spanish governor, the Duke of Alba, which initiated a reign of terror against all elements suspected of heresy or rebellion. Alba’s dispatch to the Netherlands at the head of a large army in the summer of 1567 had

  • tribunal de police (French law)

    crime, délit, and contravention: …of tribunals: police courts (tribunaux de police), which determine guilt in cases of minor penalties; courts of correction (tribunaux correctionnels), requiring judges but no jury, which try all other cases not involving serious bodily harm; and full courts with a jury in other crimes.

  • Tribunal de Sangre (Netherlands history)

    Council of Troubles, (1567–74), special court in the Low Countries organized by the Spanish governor, the Duke of Alba, which initiated a reign of terror against all elements suspected of heresy or rebellion. Alba’s dispatch to the Netherlands at the head of a large army in the summer of 1567 had

  • Tribunal des Conflits (French court)

    administrative law: The French system: …question is resolved by the Tribunal des Conflits. This is a court specially established for the purpose, consisting of five judges from the Cour de Cassation (the highest civil court) and five from the Conseil d’état. The minister of justice, in his capacity as keeper of the seals (garde des…

  • Tribunal of Inquiry into Certain Planning Matters & Payments (Irish government)

    Ireland: The debt crisis and beyond: …the final report of the Mahon Tribunal, the country’s longest-running public inquiry. The report concluded not only that former taoiseach Ahern had not been truthful in his testimony to the tribunal regarding his finances but also that every level of Irish political life had been affected by corruption tied to…

  • Tribunal Révolutionnaire (French history)

    Revolutionary Tribunal, court that was instituted in Paris by the National Convention during the French Revolution for the trial of political offenders. It became one of the most powerful engines of the Reign of Terror. The news of the failure of the French armies in Belgium gave rise in Paris to p

  • Tribunali, Palazzo dei (palace, Rome, Italy)

    Donato Bramante: Roman period: …Bramante designed a huge new Palazzo dei Tribunali (1508), incorporating the church of San Biagio (1509, also by Bramante). The structure is notable as a model for 16th-century architecture.

  • Tribunali, Via (street, Naples, Italy)

    Naples: Via Toledo: Via Tribunali, the decumanus maior of Greco-Roman Naples, extends east for approximately one mile, terminating at the law courts near the old Capuana Gate. At its western end, the Renaissance Pontano Chapel (in decay) recalls the humanist Giovanni Pontano, who lived in Naples under Aragonese…

  • Tribunals and Enquiries Act (United Kingdom [1958])

    administrative law: Administrative procedure: …accepted and resulted in the Tribunals and Enquiries Act of 1958.

  • Tribunat (French political body)

    France: The Consulate: One house (the Tribunate) debated such proposals, either endorsed or opposed them, and then sent deputies to present its opinion to the other house, the Corps Législatif, which also heard from government spokesmen. Without the right to debate, the Corps Législatif then voted on whether to enact the…

  • Tribunaux correctionels (French law)

    crime, délit, and contravention: …penalties; courts of correction (tribunaux correctionnels), requiring judges but no jury, which try all other cases not involving serious bodily harm; and full courts with a jury in other crimes.

  • tribunaux correctionnels (French law)

    crime, délit, and contravention: …penalties; courts of correction (tribunaux correctionnels), requiring judges but no jury, which try all other cases not involving serious bodily harm; and full courts with a jury in other crimes.

  • tribunaux de police (French law)

    crime, délit, and contravention: …of tribunals: police courts (tribunaux de police), which determine guilt in cases of minor penalties; courts of correction (tribunaux correctionnels), requiring judges but no jury, which try all other cases not involving serious bodily harm; and full courts with a jury in other crimes.

  • tribune (Roman official)

    Tribune, any of various military and civil officials in ancient Rome. Military tribunes (tribuni militum) were originally infantry commanders. Under the early republic there were six to a legion; some were appointed by the consuls (chief executives) or military commanders, and others were elected b

  • tribune (architecture)

    Western architecture: Early Gothic: …elements are the arcade, the tribune (upper gallery set over the aisle and normally opening into the church) or triforium galleries (arcaded wall passages set above the main arcade) or both, and the clerestory. These may be given equivalent treatment, or one may be stressed at the expense of the…

  • Tribune Company (American media company)

    The Baltimore Sun: …Times Mirror merged with the Tribune Company, and The Baltimore Sun thereby became a subsidiary of the latter. An Internet version of the paper was launched in 1996. In 2014 the publishing division of the Tribune Company was spun off, and The Sun became part of the newly formed company,…

  • Tribune Tower (building, Chicago, Illinois, United States)

    Tribune Tower, Gothic Revival 36-floor office building, located at 435 N. Michigan Ave., in downtown Chicago, which opened in 1925 as headquarters for the Chicago Tribune. In 1922, on the occasion of its 75th anniversary, the newspaper announced an international competition for a new downtown

  • Tribune, Der (theatre, Berlin, Germany)

    theatre: Production aspects of Expressionist theatre: The major Expressionist theatre was Der Tribune, in Berlin. The Expressionist stage neither simulated reality nor suggested unreality. It existed in its own right as the platform from which direct statements could be made. Settings therefore tended to be abstract or, when specific, highly subjective. Techniques of distortion and incongruous…

  • tribuni (Roman official)

    Tribune, any of various military and civil officials in ancient Rome. Military tribunes (tribuni militum) were originally infantry commanders. Under the early republic there were six to a legion; some were appointed by the consuls (chief executives) or military commanders, and others were elected b

  • tribuni militum (Roman official)

    ancient Rome: Military tribunes with consular power: The creation of the office of military tribunes with consular power in 445 bc was believed to have involved the struggle of the orders. The annalistic tradition portrayed the innovation as resulting from a political compromise between plebeian tribunes, demanding…

  • tribuni plebis (Roman official)

    ancient Rome: The plebeian tribunate: According to the annalistic tradition, one of the most important events in the struggle of the orders was the creation of the plebeian tribunate. After being worn down by military service, bad economic conditions, and the rigours of early Rome’s debt law, the…

  • tribunus (Roman official)

    Tribune, any of various military and civil officials in ancient Rome. Military tribunes (tribuni militum) were originally infantry commanders. Under the early republic there were six to a legion; some were appointed by the consuls (chief executives) or military commanders, and others were elected b

  • tribunus militum (Roman official)

    ancient Rome: Military tribunes with consular power: The creation of the office of military tribunes with consular power in 445 bc was believed to have involved the struggle of the orders. The annalistic tradition portrayed the innovation as resulting from a political compromise between plebeian tribunes, demanding…

  • tribunus plebis (Roman official)

    ancient Rome: The plebeian tribunate: According to the annalistic tradition, one of the most important events in the struggle of the orders was the creation of the plebeian tribunate. After being worn down by military service, bad economic conditions, and the rigours of early Rome’s debt law, the…

  • tribus (ancient Roman government)

    Tribe, in Roman history, a unit of the Roman state. The first Roman tribes were probably ethnic in origin and consisted of the Titienses (Tities), Ramnenses (Ramnes), and Luceres. They were superseded by the creation of new local tribes (date uncertain) consisting of 4 urban tribes and 16 rural, o

  • tributary (hydrology)

    London: The valley of the Thames: …place, one must add the tributary streams running north and south from the hills to the great river on the valley floor, many of them rising from springs in the gravel. Those in the centre of town have long since been culverted over, except where they do duty as ornamental…

  • tributary system (Chinese history)

    diplomacy: China: This “tributary system” lasted until European colonialism overwhelmed it and introduced to Asia the European concepts of sovereignty, suzerainty, spheres of influence, and other diplomatic norms, traditions, and practices.

  • Tribute Money, The (fresco by Masaccio)

    Masaccio: The Brancacci Chapel: …most famous of these is The Tribute Money, which rivals Michelangelo’s David as an icon of Renaissance art. The Tribute Money, which depicts the debate between Christ and his followers about the rightness of paying tribute to earthly authorities, is populated by figures remarkable for their weight and gravity. Recalling…

  • Tribute to Caesar (fresco by Andrea del Sarto)

    Andrea del Sarto: Sarto’s fresco Tribute to Caesar is a fragment now incorporated into a much later decorational scheme.

  • tributum (Roman tax)

    taxation: Administration of taxation: …principal of these was the tributum, paid by citizens and usually levied as a head tax; later, when additional revenue was required, the base of this tax was extended to real estate holdings. In the time of Julius Caesar, a 1 percent general sales tax was introduced (centesima rerum venalium).…

  • tributum capitis (Roman tax)

    ancient Rome: Administration of the provinces: …occupiers of provincial soil, and tributum capitis, paid on other forms of property (it was not a poll tax, except in Egypt and in certain backward areas). In addition, the provinces paid indirect taxes, such as harbour dues. In imperial provinces the direct taxes (tributa) were paid to the emperor’s…

  • tributum soli (Roman tax)

    ancient Rome: Administration of the provinces: …for the two direct taxes: tributum soli, exacted from occupiers of provincial soil, and tributum capitis, paid on other forms of property (it was not a poll tax, except in Egypt and in certain backward areas). In addition, the provinces paid indirect taxes, such as harbour dues. In imperial provinces…

  • tributyl phosphate (chemical compound)

    Tributyl phosphate, an organic liquid solvent used in the extraction of uranium and plutonium salts from reactor effluents, as a solvent for nitrocellulose and cellulose acetate, and as a heat-exchange medium. A phosphorus-containing compound with molecular formula (C4H9)3PO4, it is prepared by

  • tributylamine (chemical compound)

    amine: Nomenclature of amines: ethyl(propyl)amine), CH3CH2NHCH2CH2CH3; and tributylamine, (CH3CH2CH2CH2)3N. Two or more groups cited are in alphabetical order; to clarify which groups are attached to nitrogen rather than to each other, Ns or internal parentheses are used. A few aromatic amines and most cyclic amines have trivial (nonsystematic) names (e.g., aniline, C6H5NH2),…

  • tricalcium aluminate (chemical compound)

    cement: Chemical composition: …dicalcium silicate (2CaO · SiO2), tricalcium aluminate (3CaO · Al2O3), and a tetra-calcium aluminoferrite (4CaO · Al2O3Fe2O3). In an abbreviated notation differing from the normal atomic symbols, these compounds are designated as C3S, C2S, C3A, and C4AF, where C stands for calcium oxide (lime), S for

  • tricalcium phosphate (chemical compound)

    chemical industry: Phosphorus: …consists largely of the insoluble tricalcium phosphate, together with some other materials, including some fluorine. To be used as a fertilizer, phosphate must be converted to a form that is soluble in water, even if only slightly so.

  • tricalcium silicate (chemical compound)

    cement: Chemical composition: …up of four main compounds: tricalcium silicate (3CaO · SiO2), dicalcium silicate (2CaO · SiO2), tricalcium aluminate (3CaO · Al2O3), and a tetra-calcium aluminoferrite (4CaO · Al2O3Fe2O3). In an abbreviated notation differing from the normal atomic symbols, these compounds are designated as C3S, C2

  • tricarboxylic acid cycle (biochemistry)

    Tricarboxylic acid cycle, the second stage of cellular respiration, the three-stage process by which living cells break down organic fuel molecules in the presence of oxygen to harvest the energy they need to grow and divide. This metabolic process occurs in most plants, animals, fungi, and many

  • Tricel (textile)

    cellulose acetate: …triacetate fibre under the trademark Tricel. In the United States triacetate was introduced under the trademarked name Arnel. Triacetate fabrics became known for their superior shape retention, resistance to shrinking, and ease of washing and drying.

  • triceps muscle (anatomy)

    Triceps muscle, any muscle with three heads, or points of origin, particularly the large extensor along the back of the upper arm in humans. It originates just below the socket of the scapula (shoulder blade) and at two distinct areas of the humerus, the bone of the upper arm. It extends downward

  • triceps surae (anatomy)

    triceps muscle: …of the lower leg (triceps surae).

  • Triceratops (dinosaur genus)

    Triceratops, (genus Triceratops), large quadrupedal plant-eating ceratopsian dinosaur that had a frill of bone at the back of its skull and three prominent horns. Fossils of “three-horned face,” as its Latin name is usually translated, date to the final 3 million years of the Cretaceous Period

  • Triceratopses (dinosaur genus)

    Triceratops, (genus Triceratops), large quadrupedal plant-eating ceratopsian dinosaur that had a frill of bone at the back of its skull and three prominent horns. Fossils of “three-horned face,” as its Latin name is usually translated, date to the final 3 million years of the Cretaceous Period

  • Trichechidae (mammal family)

    manatee: Evolution and paleontology: …living members of the family Trichechidae, which is related to the dugong family, Dugongidae. Both families belong to the order Sirenia, whose closest living relatives are elephants of the order Proboscidea. The fossil ancestors of modern manatees lived during the Miocene Epoch (23 million to 5.3 million years ago), when…

  • Trichechus (mammal)

    Manatee, (genus Trichechus), any of three species of large slow aquatic mammals found along tropical and subtropical Atlantic coasts and associated inland waters, including the watersheds of the Amazon and Niger rivers. Dull gray, blackish, or brown in colour, all three manatee species have stout

  • Trichechus inunguis (mammal)

    Amazon River: Animal life: …the giant sea cow, or manatee, is sought for its flesh and for oil. All are threatened by overhunting, and the manatee has been listed as an endangered species. Aquatic animals also include river dolphins (Inia geoffrensis); the semiaquatic capybara, the largest rodent in the world (weighing up to 170…

  • Trichechus manatus (mammal)

    manatee: …is one subspecies of the West Indian manatee (T. manatus). The other subspecies lives in nearshore waters, lagoons, estuaries, and rivers of eastern Mexico, down the Central American coast, and across northern South America. It also occurs around the Greater Antilles islands of the Caribbean

  • Trichechus manatus latirostris (mammal)

    manatee: The Florida manatee (Trichechus manatus latirostris), which is also found seasonally in the waters of nearby states, is one subspecies of the West Indian manatee (T. manatus). The other subspecies lives in nearshore waters, lagoons, estuaries, and rivers of eastern Mexico, down the Central American coast,

  • Trichechus manatus manatus (mammal)

    manatee: …Caribbean—hence its common name, the Antillean manatee (T. manatus manatus).

  • Trichechus senegalensis (mammal)

    manatee: Evolution and paleontology: The West African manatee is also similar to the ancestral forms and may have dispersed from South America to Africa via transoceanic currents. Amazonian manatees appear to be descendants of Miocene trichechids isolated in a closed interior basin of South America.

  • Trichet, Jean-Claude

    euro-zone debt crisis: The crisis unfolds: …European Central Bank (ECB) president Jean-Claude Trichet (succeeded by Mario Draghi in October 2011). Germany, as Europe’s largest economy, would shoulder much of the financial burden associated with an EU-funded bailout plan, and Merkel paid a domestic political price for her commitment to the preservation of the EU. Billions of…

  • Trichilia (plant genus)

    Sapindales: Distribution and abundance: …in Indo-Malaysia and tropical Australia; Trichilia (85 species), which occur commonly as understory trees in lowland forests from Mexico to the West Indies, tropical South America, and tropical Africa; Dysoxylum (80 species) from Indo-Malaysia to the islands of the Pacific; Turraea (60 species) in tropical and southern Africa to Australia;…

  • trichinae (nematode)

    Trichinella spiralis, parasitic worm of the phylum Nematoda that causes trichinosis, a serious disease in humans and other mammals, including pigs, cats, dogs, bears, foxes, and rats. The worm occurs worldwide. It ranges in length from 1.5 to 4 mm (0.06 to 0.2 inch), males being smaller than

  • trichinas (nematode)

    Trichinella spiralis, parasitic worm of the phylum Nematoda that causes trichinosis, a serious disease in humans and other mammals, including pigs, cats, dogs, bears, foxes, and rats. The worm occurs worldwide. It ranges in length from 1.5 to 4 mm (0.06 to 0.2 inch), males being smaller than

  • Trichinella spiralis (nematode)

    Trichinella spiralis, parasitic worm of the phylum Nematoda that causes trichinosis, a serious disease in humans and other mammals, including pigs, cats, dogs, bears, foxes, and rats. The worm occurs worldwide. It ranges in length from 1.5 to 4 mm (0.06 to 0.2 inch), males being smaller than

  • trichinellosis (pathology)

    Trichinosis, disorder resulting from infestation with the small roundworm Trichinella spiralis, commonly acquired by humans by the eating of undercooked pork containing encapsulated larvae of the parasite. In the stomach and small intestine, the capsular coating is digested, and the liberated

  • trichiniasis (pathology)

    Trichinosis, disorder resulting from infestation with the small roundworm Trichinella spiralis, commonly acquired by humans by the eating of undercooked pork containing encapsulated larvae of the parasite. In the stomach and small intestine, the capsular coating is digested, and the liberated

  • Trichinopoly (India)

    Tiruchchirappalli, city, east-central Tamil Nadu state, southeastern India. It lies at the head of the Kaveri (Cauvery) River delta, about 30 miles (50 km) west of Thanjavur. The city also includes administratively the pilgrimage centre of Srirangam. Tiruchchirappalli was an important regional

  • trichinosis (pathology)

    Trichinosis, disorder resulting from infestation with the small roundworm Trichinella spiralis, commonly acquired by humans by the eating of undercooked pork containing encapsulated larvae of the parasite. In the stomach and small intestine, the capsular coating is digested, and the liberated

  • trichite (biology)

    gymnostome: …(known as nematodesmata, sometimes called trichites) embedded in the gullet wall; the plant feeders (e.g., Chilodonella) have trichites fused into pharyngeal baskets. The genus Didinium, a predator of the protozoan ciliate Paramecium, divides asexually for extended periods. In time of famine it forms a resistant stage (cyst) and undergoes nuclear…

  • Trichiuridae (marine fish)

    Cutlass fish, any of several species of fishes in the family Trichiuridae (order Perciformes). All species are marine; representatives occur in the Atlantic, Pacific, and Indian oceans. Cutlass fishes have a distinctive appearance with a long eel-like body and a low dorsal fin that extends the

  • Trichiurus lepturus (fish)

    cutlass fish: One species (Trichiurus lepturus) attains a maximum length of 1.5 metres (5 feet). The family consists of 10 genera and about 45 species.

  • trichloroacetaldehyde monohydrate (drug)

    Chloral hydrate, the first synthetically produced sedative-hypnotic drug, commonly used in the late 19th century to treat insomnia and still occasionally used to reduce anxiety or produce sleep before surgery. Chloral hydrate acts as a depressant on the central nervous system, with sedative effects

  • trichloroacetic acid (chemical compound)

    carboxylic acid: Acidity: …greater effect is found in trichloroacetic acid, Cl3CCOOH, whose acid strength is about the same as that of hydrochloric acid.

  • trichloroethane (chemical compound)

    Trichloroethane, either of two isomeric colourless, nonflammable liquids belonging to the family of halogenated hydrocarbons. One isomer, 1,1,1-trichloroethane, was used as a solvent for cleaning and degreasing metal and electronic machinery. It was also used as a coolant and in the manufacture of

  • trichloroethylene (chemical compound)

    Trichloroethylene, a colourless, toxic, volatile liquid belonging to the family of organic halogen compounds, nonflammable under ordinary conditions and used as a solvent and in adhesives. Trichloroethylene has a subtle, sweet odour. Trichloroethylene was first prepared in 1864; its commercial

  • trichlorofluoromethane (chemical compound)

    chlorofluorocarbon: Some of these compounds, especially trichlorofluoromethane (CFC-11) and dichlorodifluoromethane (CFC-12), found use as aerosol-spray propellants, solvents, and foam-blowing agents. They are well suited for these and other applications because they are nontoxic and nonflammable and can be readily converted from a liquid to a gas and vice versa.

  • trichloromethane (chemical compound)

    Chloroform (CHCl3), nonflammable, clear, colourless liquid that is denser than water and has a pleasant etherlike odour. It was first prepared in 1831. The Scottish physician Sir James Simpson of the University of Edinburgh was the first to use it as an anesthetic in 1847. It later captured public

  • trichloromethyl chloroformate (poison gas)

    Diphosgene, in chemical warfare, poison gas widely used by Germany during World War I. Its chemical name is trichloromethyl chloroformate, and it is a colourless, moderately persistent, poisonous, organic compound, the odour of which is likened to that of newly mown hay. It is easily condensable

  • trichloronitromethane (chemical compound)

    Chloropicrin (Cl3CNO2), toxic organic compound used alone or in combination with methyl bromide as a soil fumigant and fungicide. Chloropicrin has a boiling point of 112 °C (234 °F). Its vapours are irritating to the skin, eyes, and upper respiratory tract, and it has been used in chemical warfare

  • trichobothria (anatomy)

    scorpion: Internal features: Long, thin hairlike structures called trichobothria are most easily deflected by air vibrations originating perpendicular to one plane. These hairs are situated on the pedipalps along different planes and thus allow scorpions to detect the direction of air movement, which enables them to catch aerial prey, detect predators, and navigate…

  • trichobothrium (anatomy)

    scorpion: Internal features: Long, thin hairlike structures called trichobothria are most easily deflected by air vibrations originating perpendicular to one plane. These hairs are situated on the pedipalps along different planes and thus allow scorpions to detect the direction of air movement, which enables them to catch aerial prey, detect predators, and navigate…

  • Trichoceros antennifer (orchid)

    orchid: Natural history: The South American orchid Trichoceros antennifer has flowers that simulate the female flies of the genus Paragymnomma to a remarkable degree. The column and base of the lip are narrow, barred with yellow and red-brown, and they extend laterally to simulate the extended wings of a sitting fly. The…

  • trichocyst (biology)

    Trichocyst, a structure in the cortex of certain ciliate and flagellate protozoans consisting of a cavity and long, thin threads that can be ejected in response to certain stimuli. Trichocysts may be widely distributed over an organism or restricted to certain areas (e.g., tentacles, papillae,

  • Trichodesmium erythraeum (cyanobacteria)

    Red Sea: …extensive blooms of the algae Trichodesmium erythraeum, which, upon dying off, turn the sea a reddish brown colour.

  • Trichodontidae (fish family)

    perciform: Annotated classification: Family Trichodontidae (sandfishes) Resemble codfishes, but eyes high on side of head; mouth large, oblique; lips fringed; pectoral fins with long base extending forward past pelvic fins. 2 species; marine; North Pacific; to 25 cm (10 inches). Family Pholidichthyidae (convict-blennies

  • Trichogaster trichopterus (fish)

    gourami: …its “kissing” activities; and the three-spot, or blue, gourami (Trichogaster trichopterus), a dark-spotted, silvery or blue species.

  • Trichoglossinae (bird family)

    parrot: …make up the Psittacidae subfamily Loriinae. The 53 species in 12 genera are found in Australia, New Guinea, and some Pacific islands. All have a slender, wavy-edged beak and a brush-tipped tongue for extracting nectar from flowers and juices from fruits.

  • Trichoglossus haematodus (bird)

    lorikeet: The rainbow lorikeet (Trichoglossus haematodus) is among the most spectacular and variable of the group, with 21 races scattered over the southwestern Pacific. Most races of this 150-gram (5-ounce) species have red bills, blue heads, green wings, and black feet, though the colour and pattern of…

  • trichogrammatid (insect)

    Trichogrammatid, (family Trichogrammatidae), any of a group of tiny, parasitic chalcid wasps, particularly of the genus Trichogramma, in the order Hymenoptera. Adults of Trichogramma species are less than 1 mm (0.04 inch) long, with pear-shaped wings having a single vein and fringing hairs and

  • Trichogrammatidae (insect)

    Trichogrammatid, (family Trichogrammatidae), any of a group of tiny, parasitic chalcid wasps, particularly of the genus Trichogramma, in the order Hymenoptera. Adults of Trichogramma species are less than 1 mm (0.04 inch) long, with pear-shaped wings having a single vein and fringing hairs and

  • Tricholaena rosea (plant)

    Natal grass, (Melinis repens), tufted grass of the family Poaceae, native to southern Africa. Natal grass is cultivated as a forage and ornamental grass and is considered an invasive species in some areas outside its native range, particularly in Australia and parts of the Americas. Natal grass

  • Tricholoma (genus of fungi)

    Agaricales: Other families and genera: Fistulina hepatica, commonly called beefsteak fungus, is an edible species found in the autumn on oaks and other trees, on which it causes a stain called brown oak. Its common name is derived from its colour, which resembles that of raw beef.

  • Tricholoma matsutake (fungus)

    Agaricales: Other families and genera: …the closely related Japanese species T. matsutake. The genus also contains a number of inedible forms, including the very poisonous T. pardinum.

  • Tricholoma pardinium (fungus)

    Agaricales: Other families and genera: …forms, including the very poisonous T. pardinum.

  • Trichomanes (fern genus)

    fern: Annotated classification: …principal genera are Hymenophyllum and Trichomanes; 7 genera (different authorities give anywhere from 2 to more than 28) with some 600 species found in tropical regions around the world, a few species extending into temperate areas. Order Gleicheniales Family Gleicheniaceae (forking ferns)

  • Trichomanes intricatum (fern)

    Hymenophyllaceae: …a species of filmy fern, Trichomanes intricatum, that is most unusual in that it exists only as isolated colonies of independent gametophytes. These gametophytes, which occupy cool, highly shaded microclimates underneath overhanging cliffs and boulders, apparently have lost the capacity to complete their life cycle and produce new sporophytes. In…

  • trichome (plant anatomy)

    angiosperm: Dermal tissue: The trichomes (pubescences) that often cover the plant body are the result of divisions of epidermal cells. Trichomes may be either unicellular or multicellular and are either glandular, consisting of a stalk terminating in a glandular head, or nonglandular, consisting of elongated tapering structures. Leaf and…

  • trichomonad (protozoan)

    Trichomonad, any protozoan of the zooflagellate order Trichomonadida. Trichomonads have three to six flagella, and one commonly trails or borders an undulating membrane. Most trichomonads inhabit the digestive systems of animals. They may be uninucleate or multinucleate. Reproduction is by

  • Trichomonadida (protozoan)

    Trichomonad, any protozoan of the zooflagellate order Trichomonadida. Trichomonads have three to six flagella, and one commonly trails or borders an undulating membrane. Most trichomonads inhabit the digestive systems of animals. They may be uninucleate or multinucleate. Reproduction is by

  • Trichomonas (protist genus)

    trichomoniasis: …by the flagellate protozoan parasite Trichomonas. Infection is most often intestinal, but it may occur in other cavities or organs such as the liver.

  • Trichomonas vaginalis (protist)

    sexually transmitted disease: Trichomoniasis and candidiasis: …tract caused by a protozoan, Trichomonas vaginalis; males usually have no symptoms with this infection, and only a portion of infected females have a vaginal discharge.

  • trichomoniasis (pathology)

    Trichomoniasis, infection by the flagellate protozoan parasite Trichomonas. Infection is most often intestinal, but it may occur in other cavities or organs such as the liver. The species T. vaginalis is a common cause of sexually transmitted disease in humans. Infection occurs more commonly in

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