All articles starting with L
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Leech
Leech (Hirudinea): annelid worms with front and rear suckers, over 700 species in freshwater, marine, and terrestrial habitats; includes the medicinal leech Hirudo medicinalis, an FDA-cleared surgical device and source of the anticoagulant hirudin.
Leech (character)
Leech (Earth-616) is a Marvel Comics mutant, green-skinned Morlock child created by Chris Claremont, debuting in Uncanny X-Men #179 (1983/1984), whose passive field negates nearby superhuman powers; later affiliated with X-Factor, Generation X, and the Future Foundation.
Leech anatomy and physiology
Leech anatomy and physiology covers the leech's fixed 34-segment body, two suckers, 21 midbody ganglia, and a crop storing several times its weight in blood.
Leech collecting and trade
Leech collecting and trade is the harvesting of wild leeches and their commercial sale, historically for bloodletting and today mainly as a regulated medical supply and bait.
Leech embryogenesis
Leech embryogenesis is the development of leech embryos, studied since Whitman's nineteenth-century cell lineage work; teloblast stem cells build segments, and leech-specific traits arose through late additions to development.
Leech Lake
Leech Lake (Gaa-zagaskwaajimekaag) is Minnesota's third-largest entirely in-state lake, about 111,527 acres in Cass County with 316 miles of shoreline, formed partly by the 1882 Federal Dam, within the Leech Lake Ojibwe Reservation, famed for walleye and muskie fishing.
Leech lattice
The Leech lattice is a lattice in 24-dimensional space, found by John Leech in 1965, whose sphere packing is provably the densest possible in 24 dimensions.
Leech reproduction and ecology
Leech reproduction and ecology describes how hermaphroditic leeches fertilize internally, lay eggs in cocoons, and feed as predators or bloodsuckers across freshwater, marine, and terrestrial habitats.
Leech therapy
Leech therapy, or hirudotherapy, attaches live medicinal leeches to the skin to draw blood, relieving venous congestion in flaps, grafts, and replanted parts; FDA-cleared since 2004.
Leeches in culture and folklore
Leeches in culture and folklore surveys the leech's symbolic roles, from the biblical emblem of greed and Old English word for physician to Cherokee legend and horror films.
LeEco (乐视生态)
LeEco (乐视生态) was a Chinese technology conglomerate founded by Jia Yueting around the video site Leshi Internet, which expanded into TVs, smartphones, and electric cars before collapsing in 2016.
LEED
LEED (Leadership in Energy and Environmental Design) is a green building rating system developed by the U.S. Green Building Council, launched in 1998, with certification levels from Certified to Platinum.
Leeds
Leeds, West Yorkshire city on the River Aire, England's third largest, population about 812,000. Historic woollen town, now a finance, digital, and health hub with Opera North, Northern Ballet, and a £36 billion economy.
Leeds & Northrup
Leeds & Northrup, often abbreviated L&N, was an American manufacturer of precision electrical measuring instruments and industrial automatic controls, founded in Philadelphia in 1899 and independent until its 1978 takeover by General Signal.
Leeds and Liverpool Canal
The Leeds and Liverpool Canal is a 127-mile broad-beam canal in northern England linking Leeds with Liverpool across the Pennines, authorised in 1770 and completed in 1816.
Leeds Beckett University
Leeds Beckett University, formerly Leeds Polytechnic and Leeds Metropolitan University, is a public university in Leeds, England, with university status since 1993, its current name since 2014, over 253,000 alumni, and an estimated £1.43 billion UK economic impact.
Leeds Bradford Airport
Leeds Bradford Airport, also known as Yeadon Aerodrome or Yeadon Airport, is the main commercial airport for Yorkshire, England, opened in 1931 and England's highest airport.
Leeds Castle
Leeds Castle is a Grade I listed castle in Kent, England, built on two islands in the River Len and restored in the 1930s by Lady Baillie.
Leeds city
Leeds City F.C. (1904-1919) was Leeds's first professional football club, based at Elland Road in Football League Division Two; expelled mid-season in October 1919 over illegal wartime payments, its players auctioned, succeeded by Leeds United.
Leeds railway station
Leeds railway station, also called Leeds City station, is the mainline station serving Leeds, England, with 18 platforms, making it the largest station in England outside London.
Leeds Rhinos
Leeds Rhinos, formerly Leeds or The Loiners (renamed 1996), a professional rugby league club at Headingley Stadium, Leeds; eight Super League titles, thirteen Challenge Cups, three World Club Challenges, and the 2015 treble.
Leeds United F.C.
Leeds United F.C. (the Whites), English football club founded 1919 at Elland Road, Leeds; three-time champions (1969, 1974, 1992), owned by 49ers Enterprises since 2023, managed by Daniel Farke, expanding Elland Road to 53,000 seats.
Leeds United F.C.–Manchester United F.C. rivalry
Leeds United–Manchester United rivalry, the Roses rivalry or Pennines derby: cross-Pennine football feud rooted in Lancashire–Yorkshire enmity, ignited by the 1965 FA Cup semi-final, defined by the 1992 title race and Cantona's transfer, and one-sided toward United since 1992.
Leeds, England, United Kingdom
Leeds (E08000035) is a metropolitan district and city in West Yorkshire, England, the second largest English local authority by population at 812,000 (Census 2021), governed by Leeds City Council with 33 wards and part of the West Yorkshire devolution deal.
Leedsichthys
Leedsichthys (Leedsichthys problematicus) is an extinct giant pachycormiform ray-finned fish from the Middle to Late Jurassic, about 165–152 million years ago, the largest bony fish ever at up to 16.5 m and roughly 44.9 tonnes, a plankton filter feeder known only from fragmentary fossils.
Leehleza
Leehleza is a South African amapiano vocalist and deejay from Mpumalanga, prominent since 2019 as the voice on Kabza De Small's 'Umshove' and 'Amabele Shaya'.
Leek
Leek (Allium ampeloprasum var. porrum, A. porrum) is a mild-flavored Amaryllidaceae vegetable grown for its blanched leaf-sheath pseudostem; no bulb, cool-season biennial, Welsh national symbol, Egyptian domestication history.
Leekr Technology (利氪科技)
Leekr Technology (利氪科技) is a Chinese developer of brake-by-wire and chassis-by-wire systems for new-energy intelligent vehicles, founded in 2021 by Bosch and ZF veterans and headquartered in Hangzhou.
Leela (Futurama)
Turanga Leela, called Leela, is the one-eyed captain of the Planet Express ship in Futurama, voiced by Katey Sagal since 1999; a sewer mutant revealed in "Leela's Homeworld", and Fry's long-running love interest.
Leela Gray
Leela Gray is an American politician and retired U.S. Army brigadier general, the 2026 Democratic nominee challenging incumbent Anna Paulina Luna in Florida's 13th Congressional District.