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Tuft
Tuft or tufts or tufted can refer to: Biology * Tufted grass, grasses growing in tussocks *Fascicle (botany), or tuft, a bundle of leaves or flowers growing closely together *specific tufts of feathers on a bird, for example a pectoral tuft * Ungual tufts, groups of hairs at the base of an animal's claws ** Toe tuft, on cats *Ear tuft, fur or feathers around an animal's ear * Enamel tufts, in teeth *Tuft cell, in the intestines ''See also Fascicle (other)'' Other uses *Tufting in textiles * Tuft (aeronautics), a strip of string attached to an aircraft *Tuft, a decorative tassel on a hat * Tufting (composites) in the field of advanced composite materials *Tuft (surname) See also *Toft (other) *Tofte (other) *Tufts (other) Tufts University is a private research university in Medford and Somerville, Massachusetts, U.S. Tufts may also refer to: *Tufts Medical Center, hospital * Tufts (surname) See also *Tuft (other) Tuft or tufts o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tufting
Tufting is a type of textile manufacturing in which a thread is inserted on a primary base. It is an ancient technique for making warm garments, especially mittens. After the knitting is done, short U-shaped loops of extra yarn are introduced through the fabric from the outside so that their ends point inwards (e.g., towards the hand inside the mitten). Usually, the tuft yarns form a regular array of "dots" on the outside, sometimes in a contrasting color (e.g., white on red). On the inside, the tuft yarns may be tied for security, although they need not be. The ends of the tuft yarns are then frayed, so that they will subsequently felt, creating a dense, insulating layer within the knitted garment. Tufting was first developed by carpet manufacturers in Dalton, Georgia. A tufted piece is completed in three steps: tufting, gluing, then backing and finishing. When tufting, the work is completed from the backside of the finished piece. A loop-pile machine sends yarn through the p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tuft Cell
Tuft cells are chemosensory cells in the epithelial lining of the intestines. Similar tufted cells are found in the respiratory epithelium where they are known as brush cells. The name "tuft" refers to the brush-like microvilli projecting from the cells. Ordinarily there are very few tuft cells present but they have been shown to greatly increase at times of a parasitic infection. Several studies have proposed a role for tuft cells in defense against parasitic infection. In the intestine, tuft cells are the sole source of secreted interleukin 25 (IL-25). ATOH1 is required for tuft cell specification but not for maintenance of a mature differentiated state, and knockdown of Notch results in increased numbers of tuft cells. Human tuft cells The human gastrointestinal (GI) tract is full of tuft cells for its entire length. These cells were located between the crypts and villi. On the basal pole of all cells was expressed DCLK1. They did not have the same morphology as was de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tuft (surname)
Tuft is a surname. Notable people with the name include: * Arne Tuft (1911-1989), Norwegian cross country skier *Gabbi Tuft or Tyler Reks (born 1978), American professional wrestler * Svein Tuft (born 1977), bicycle racer See also *Toft (other), include a list of people with surname Toft *Tofte (other), includes a list of people with surname Tofte *Tufte Tufte is a surname of Norwegian origin. Notable people with the name include: * Virginia Tufte (fl. 1920s-2010s), American author and distinguished emerita professor of English * Edward Tufte (born 1942), American statistician, political scientis ..., surname * Tufts (surname) {{surname, Tuft Norwegian-language surnames ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Enamel Tufts
Enamel tufts are hypomineralized ribbon-like structures that run longitudinally to the tooth axis and extend from the dentinoenamel junction (DEJ) one fifth to a third into the enamel. They are called ‘‘tufts’’ due to their wavy look within the enamel microstructure. Biomechanically, enamel tufts are ‘‘closed cracks’’ or defects which, in their manner of propagating, act to prevent enamel fractures. This aspect of them is being studied to see how to make more fracture-resistant materials. However, they can also form without stress during enamel development. Enamel tufts are most common in the enamel of molars of animals that crush hard food objects, such as nuts (crushed by apes) and shellfish (crushed by sea otters). Microstructure Each tuft consists of several unconnected leaves that start near the dentinoenamel junction. These defects as they pass through the enamel rods to the surface become progressively more fragmented and fibrillar. Scanning electron ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tuft (aeronautics)
In aeronautics, tufts are strips of yarn or string, typically around , attached to an aircraft surface in a grid pattern and imaged during flight. The motion of the tufts during flight can be observed and recorded, to locate flow features such as boundary layer separation and reattachment. Tufting is, therefore, a technique for flow visualization. They are used in aeronautics flight testing to study air flow direction, strength, and boundary layer properties. The world's largest bed of tufts (18.6 m by 18.6 m, 61 feet by 61 feet) was created at NASA Ames Research Center to study air flow fields involving a helicopter's rotor disk. See also *Yaw string The yaw string, also known as a slip string, is a simple device for indicating a slip or skid in an aircraft in flight. It performs the same function as the slip-skid indicator ball, but is more sensitive, and does not require the pilot to look ... References Aeronautics Yarn {{Fluiddynamics-stu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toft (other)
Toft may refer to: People * Albert Toft (1862–1949), English sculptor * Alfonso Toft (1866–1964), English pottery artist * Christian Toft (born 1968), Danish Olympic swimmer * Claude Toft (1922–1981), Irish politician and Mayor of Galway * (born 1947), Mayor of Gentofte Municipality * Harry Toft (1881–1951), Welsh rugby player * Henrik Toft (born 1981), Danish footballer * Henry Toft (1909–1987), English rugby union international * Karl Toft (1936–2018), Canadian sex offender * Malcolm Toft, English audio engineer * Mary Toft (1701–1763), English woman involved in a medical hoax * Mathilde Rivas Toft (born 1997), Norwegian handballer * Monica Toft, American international relations scholar * Omar Toft (1886–1921), American racecar driver * Rolf Toft (born 1992), Danish footballer * Sandra Toft (born 1989), Danish handball player * Thomas Toft (died 1698), English potter Places * , a village in Nordland, Norway *Toft, Shetland, Scotland England * Toft, Camb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ear Tuft
Ear tufts are a collection of fur or feathers found on animals which can resemble an animal's ear or is near the animal's ear. Cats Ear tufts are not found on all cat breeds. The ear tufts are located on the tips of cat ears and are also known as lynx tipping. Cat ear tufts are often confused with cat ear furnishings which is the fur that comes out of the opening of the ear. Cat ear tufts assist with keeping debris out of the ear and guides sound into the ear canal. Birds Bird ear tufts are skin projections covered in feathers found in some bird species, most notably various species of owl, vaguely resembling mammalian ears, but unrelated to the animal's hearing. Theories about their function range from improved ability to camouflage, aiding in finding a suitable mate, to giving a more threatening appearance to discourage predators. In Araucana chicken In the Araucana chicken breed A breed is a specific group of domestic animals having homogeneous appearance (phenotype ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tofte (other)
Tofte is a surname of Norwegian origin which may refer to: People * Andreas Tofte (1794–1851), Norwegian businessman and Mayor of Oslo * Arthur Tofte (1902–1980), American science fiction and fantasy author * Britt Pettersen Tofte (born 1961), Norwegian cross country skier * Jørg Tofte Jebsen (1888–1922), Norwegian physicist * Jørgen Tofte Nielsen (born 1971), Danish former football goalkeeper * Mads Tofte (born 1959), Danish computer scientist * Robert Tofte (1562–1620), English translator and poet * Tracy Tofte (Tracy Wells, born 1971), American actress * Valdemar Tofte (1832–1907), Danish violinist and teacher * Ørnulf Tofte (1922–2020), Norwegian police officer Places * Tofte, Norway, village in the municipality of Asker, Norway **Södra Cell Tofte, a pulp mill located in Tofte, Norway * Tofte Township, Cook County, Minnesota, an American township ** Tofte, Minnesota, an unincorporated community in Tofte Township * Tofte Glacier, on Peter I Island near Antar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tufting (composites)
In the field of composite materials, tufting is an experimental technology to locally reinforce continuous fibre-reinforced plastics along the z-direction, with the objective of enhancing the shear and delamination resistance of the structure. It consists of inserting a thread through a layered dry fabric, using a needle that, after insertion, moves back along the same trajectory leaving a loop of the thread on the bottom of the structure. It is a technology developed for and used within the thermoset resin injection manufacturing route, however it is currently being debated whether also pre-pregs can be successfully tufted. Tufting is considered a more economical and flexible method compared to 3D weaving or 3D braiding to include z-fibres in laminated composites. It resembles stitching, but it is different in that tufting only requires access from one side of the preform. Depending on the equipment used, all shapes and forms may potentially be reinforced by tufting. The densi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tufted Grass
Tussock grasses or bunch grasses are a group of grass species in the family Poaceae. They usually grow as singular plants in clumps, tufts, hummocks, or bunches, rather than forming a sod or lawn, in meadows, grasslands, and prairies. As perennial plants, most species live more than one season. Tussock grasses are often found as forage in pastures and ornamental grasses in gardens. Many species have long roots that may reach or more into the soil, which can aid slope stabilization, erosion control, and soil porosity for precipitation absorption. Also, their roots can reach moisture more deeply than other grasses and annual plants during seasonal or climatic droughts. The plants provide habitat and food for insects (including Lepidoptera), birds, small animals and larger herbivores, and support beneficial soil mycorrhiza. The leaves supply material, such as for basket weaving, for indigenous peoples and contemporary artists. Tussock and bunch grasses occur in almost any habit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fascicle (botany)
In botany, a fascicle is a bundle of leaves or flowers growing crowded together; alternatively the term might refer to the vascular tissues that supply such an organ with nutrients.Shashtri, Varun. Dictionary of Botany. Publisher: Isha Books 2005. However, vascular tissues may occur in fascicles even when the organs they supply are not fascicled. Etymology of fascicle and related terms The term ''fascicle'' and its derived terms such as ''fasciculation'' are from the Latin ''fasciculus'', the diminutive of ''fascis'', a bundle. Accordingly, such words occur in many forms and contexts wherever they are convenient for descriptive purposes. A fascicle may be leaves or flowers on a short shoot where the nodes of a shoot are crowded without clear internodes, such as in species of ''Pinus'' or ''Rhigozum''. However, bundled fibres, nerves or bristles as in tissues or the glochid fascicles of ''Opuntia'' may have little or nothing to do with branch morphology. In pines Leaf fascic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pectoral Tuft
The following is a glossary of common English language terms used in the description of birds—warm-blooded vertebrates of the class Aves and the only living dinosaurs, characterized by , the ability to in all but the approximately 60 extant species of flightless birds, toothless, , the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart and a strong yet lightweight skeleton. Among other details such as size, proportions and shape, terms defining bird features developed and are used to describe features unique to the class—especially evolutionary adaptations that developed to aid flight. There are, for example, numerous terms describing the complex structural makeup of feathers (e.g., , and ); types of feathers (e.g., , and feathers); and their growth and loss (e.g., , and ). There are thousands of terms that are unique to the study of birds. This glossary makes no attempt to cover them all, concentrating on terms that might be found across ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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