All articles starting with L
25,375 articles
Lateral thoracotomy
A lateral thoracotomy is a surgical incision along the side of the chest, entering between the ribs to expose the heart, lungs, hilum, or mediastinum.
Lateral undulation
Lateral undulation is the side-to-side serpentine mode of limbless locomotion in snakes and snake robots, in which horizontal waves of bending travel from head to tail, pressing against uneven terrain to generate forward thrust.
Lateral-torsional buckling
Lateral-torsional buckling is a beam instability in which the compression flange buckles sideways and the beam twists, reducing strength below its cross-sectional capacity in steel design.
Laterality
Laterality: the scientific study of left-right asymmetries in brain, behavior, and cognition, from human handedness and language dominance to animal lateralization; also the name of the interdisciplinary journal founded in 1996 by Bryden, Corballis, and McManus.
Lateralization of brain function
Lateralization of brain function: task-specific hemispheric biases, with left-hemisphere language dominance in about 95% of right-handers and right-hemisphere spatial and face-processing advantages, distinct from the debunked left-brained versus right-brained personality myth.
Laterallus
Laterallus (G.R. Gray, 1855) is a genus of small American rails, type genus of tribe Laterallini; includes the Black Rail L. jamaicensis and, since 2019, the Inaccessible Island Rail.
Laterally diffused MOSFET
The laterally diffused MOSFET (LDMOS) is a power transistor whose lightly doped drift region withstands high drain voltages; it is the standard for cellular base-station RF power amplifiers.
Lateralus
Lateralus is the third studio album by American rock band Tool, released on May 15, 2001, through Volcano Entertainment, and known for a title track built on the Fibonacci sequence.
Lateralus (song)
Lateralus is Tool's 2001 title-track song from the album Lateralus, a 9:24 progressive metal piece whose 9/8-8/8-7/8 chorus and Fibonacci-based syllable counts encode the number 987.
Lateran
The Lateran is the Rome complex of the Archbasilica of Saint John Lateran, the Lateran Palace, baptistery, and Scala Santa; papal residence for about a millennium until Avignon, and site where the 1929 Lateran Treaty created Vatican City.
Lateran Obelisk
The Lateran Obelisk is the tallest standing ancient Egyptian obelisk, a 455-ton red granite monolith commissioned by Thutmose III and erected at Karnak by Thutmose IV.
Lateran Treaty
Lateran Treaty (Patti Lateranensi, Pacta Lateranensia): 1929 agreement between Italy and the Holy See, signed by Gasparri and Mussolini, creating Vatican City, ending the Roman Question, with a financial convention and concordat, revised in 1984.
Laterite
Laterite, or lateritic soil, is a highly weathered tropical soil or rock rich in iron and aluminum oxides, a major source of nickel and a traditional building brick.
Latex
Plant latex: sticky milky emulsion from laticifers in about 10% of flowering plants, a defense against herbivores; source of natural rubber from Hevea brasiliensis.
LaTeX
LaTeX is a document preparation system for high-quality typesetting, created by Leslie Lamport in the early 1980s and used most often for technical and scientific documents.
Latex agglutination
Latex agglutination is a rapid immunoassay in which antibody- or antigen-coated latex beads visibly clump within minutes, detecting antigens or antibodies in over 100 infectious diseases.
Latex allergy
Latex allergy, or natural rubber latex allergy, is an IgE-mediated immediate hypersensitivity to Hevea brasiliensis proteins, affecting about 1% of the general population and 8-12% of healthcare workers, with latex-fruit cross-reactivity and anaphylaxis risk.
Lath and plaster
Lath and plaster is a building technique for finishing interior walls and ceilings, in which wet plaster is applied over thin timber lath and held by hardened keys.
Latha (actress)
Latha (born 1953, birth name Nalini), also called M.G.R. Latha and Latha Sethupathi, is a Tamil, Telugu, Malayalam, and Kannada film actress; debut heroine of M.G.R.'s Ulagam Sutrum Valiban (1973), heroine of his final film, later television serial actor and brief politician, distinct from Rajinikanth's wife Latha Rajinikanth and actress Latha Rao.
Latha Rajinikanth (லதா ரஜினிகாந்த்)
Latha Rajinikanth (லதா ரஜினிகாந்த்), born Latha Rangachari in 1958, is an Indian educationist, playback singer, and film producer, wife of Rajinikanth, founder of The Ashram school in Chennai, and singer in Tik Tik Tik and Kochadaiiyaan.
Latha Venkataraman
Latha Venkataraman is an applied physicist and chemist known for single-molecule electronics, formerly Lawrence Gussman Professor at Columbia University and a professor at IST Austria since 2025.
Latham & Watkins
Latham & Watkins LLP, founded 1934 in Los Angeles by Dana Latham and Paul Watkins, is a global law firm with 31 offices in 14 countries, $8.3 billion 2025 revenue, and #2 rank in the 2026 Am Law 100.
Latham appliance
The Latham appliance, also known as the Latham device, is a pin-retained presurgical orthopedic device that repositions the maxilla in infants with cleft lip and palate.
Latham Tiver
Latham Tiver is an American Republican politician who has represented New Jersey's 8th district in the State Senate since 2024, after serving as a Burlington County Commissioner.
Lathe
A lathe is a machine tool that rotates a workpiece while a stationary cutting tool shapes it, chiefly into cylinders, cones, and screw threads; it is the oldest machine tool.
Lathi (लाठी) (stick)
The lathi (लाठी) is a 1–1.8 meter bamboo stick used across South Asia as a weapon, martial-arts implement, and standard police baton in India and Bangladesh.
Lathiya Mound
Lathiya Mound, archaeological site near Zamania, Ghazipur district, Uttar Pradesh, with a 27-foot Gupta-period sandstone pillar, eight-lion capital, four brick temples, and Maurya-Sunga remains.
Lathosterolosis
Lathosterolosis (sterol C5-desaturase deficiency, SC5D deficiency) is an ultra-rare autosomal recessive cholesterol biosynthesis disorder from SC5D mutations, causing dysmorphism, limb anomalies, cataracts, developmental delay, and liver disease.
Lathrop High School (Alaska)
Lathrop High School (Alaska), also called Austin E. Lathrop High School, is a public grades 9-12 school in Fairbanks, in the Fairbanks North Star Borough School District. Opened 1955, named for Cap Lathrop; 788 students; Universal Support designation.
Laththi (லத்தி)
Laththi (லத்தி), also Laththi Charge, is a 2022 Tamil action thriller directed by debutant A. Vinoth Kumar, starring Vishal as suspended constable Muruganantham with Sunaina and Prabhu; released 22 December 2022 in five languages, mixed reviews, ₹11.25 crore India net.