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Lumbar laminectomy

A lumbar laminectomy is a surgical procedure that removes the spinous process and lamina of a lower-spine vertebra to decompress nerves compressed by spinal stenosis.

Lumbar nerves

Lumbar nerves: five pairs of mixed spinal nerves L1-L5 exiting below their vertebrae, dividing into dorsal and ventral rami, forming the lumbar plexus (T12-L4) and, via the lumbosacral trunk, the sacral plexus.

Lumbar plexus

Lumbar plexus: somatic nerve network from L1-L4 ventral rami (often with T12 subcostal contribution) lying within psoas major; six branches including femoral and obturator nerves; mean variation prevalence 20.1%.

Lumbar puncture

Lumbar puncture: needle into the lumbar subarachnoid space (L3–L4/L4–L5) to collect CSF, measure pressure, or give intrathecal drugs; central to meningitis diagnosis, with PCR-first testing and atraumatic needles reducing headache risk.

Lumbar spinal stenosis

Lumbar spinal stenosis (LSS), degenerative narrowing of the lumbar spinal canal causing neurogenic claudication in older adults; diagnosed by symptoms plus MRI, treated conservatively or by decompression, with fusion and spacers showing no added benefit.

Lumbar vertebrae

Lumbar vertebrae (L1-L5), the five largest vertebrae of the lower back between T12 and the sacrum; large thick bodies for weight bearing, lumbar lordosis, common sites of disc herniation and transitional vertebrae.

Lumbaram Choudhary

Lumbaram Choudhary, born in 1964 in Sirohi district, Rajasthan, is a Bharatiya Janata Party politician who has represented Jalore in the Lok Sabha since 2024.

Lumbee

The Lumbee are a North Carolina tribe recognized by the state since 1885, descended per congressional findings from the Cheraw and related Siouan tribes; the 1956 Lumbee Act withheld federal benefits until full recognition on December 18, 2025.

Lumber

Lumber, also called timber or structural timber, is wood sawn from logs into standardized pieces for construction and trade, graded by quality and dried to a specified moisture content.

Lumberjack

Lumberjack (logger, faller): worker who fells trees and moves logs from stump to delivery. US fatality rate 100.7 per 100,000 FTE, median wage $49,660 (2025); mechanized by feller bunchers, harvesters, forwarders.

Lumberjack Man

Lumberjack Man (2015) is an American horror comedy directed by Josh Bear, released by After Dark Films in the '8 Films to Die For' series. A demon logger slaughters church camp staff, soaking pancakes in their blood; Michael Madsen co-stars.

Lumberton Township School District

Lumberton Township School District is a Pre-K through 8 public district in Burlington County, New Jersey, operating Walther, Ashbrook, Bobby's Run, and Lumberton Middle schools; first NJ district with a school bus.

Lumberton, North Carolina

Lumberton, North Carolina: county seat of Robeson County on the Lumber River, founded 1787-1788 by John Willis, incorporated 1852/1859, population 19,025 (2020), flooded by Hurricane Matthew in 2016.

Lumbini (लुम्बिनी)

Lumbini (लुम्बिनी), also known as Rummindei, is a pilgrimage site in southwestern Nepal identified as the birthplace of the Buddha, marked by a pillar Emperor Asoka erected in 249 BC.

Lumbini Province

Lumbini Province (लुम्बिनी प्रदेश), southwestern province of federal Nepal, capital Deukhuri (Bhalubang), 12 districts, 5,122,078 people (Census 2021), third in population and GDP share, home of the Buddha's birthplace Lumbini.

Lumbini, the Birthplace of the Lord Buddha

Lumbini, in Nepal's Terai plains, is the UNESCO World Heritage site (inscribed 1997) marking the Buddha's birthplace in 623 BC, attested by Ashoka's 249 BC pillar, the Maya Devi Temple remains, and excavated monasteries and stupas.

Lumbosacral radiculoplexopathy

Lumbosacral radiculoplexopathy, including diabetic lumbosacral radiculoplexus neuropathy (diabetic amyotrophy, Bruns-Garland syndrome), is a painful, asymmetric proximal lower-limb neuropathy from microvasculitic ischemic nerve injury, with no proven immunotherapy.

Lumbre Music

Lumbre Music is an American independent record label for regional Mexican music, founded in 2019 in Bellflower, California, best known for launching Yahritza y Su Esencia.

Lumbricus rubellus

Lumbricus rubellus, the red worm, a European epi-endogeic earthworm sold as bait and a major invasive species in North American forests; epi-endogeic litter feeder, 50-150 mm, cryptic lineages, metal biomonitor.

Lumbricus terrestris

Lumbricus terrestris, the common earthworm or European nightcrawler, is an anecic earthworm living in 1–2 m vertical burrows; first earthworm named (Linnaeus 1758), invasive in North America via bait trade, with cryptic species L. herculeus.

Lumcloon Energy

Lumcloon Energy is an Irish grid-scale battery storage and flexible-power company based in Co Offaly, founded in 2008, whose 100MW plants provide stability services to the Irish grid.

Lumen (unit)

The lumen (lm), commonly rated as ANSI lumens on projectors and lamps, is the SI unit of luminous flux, the rate at which a light source emits visible light weighted by the eye's sensitivity.

Lumen Field

Lumen Field (formerly Seahawks Stadium, Qwest Field, CenturyLink Field) is Seattle's 68,000-seat open-air stadium opened in 2002 on the former Kingdome site, home of the Seahawks, Sounders FC, and Reign FC, and a 2026 FIFA World Cup venue.

Lumen gentium

Lumen gentium, the Dogmatic Constitution on the Church, is the Second Vatican Council's doctrinal constitution on the Church, promulgated by Pope Paul VI in November 1964.

Lumen Pierce

Lumen Ann Pierce is a fictional character in Dexter, played by Julia Stiles. A survivor of the Barrel Girl Gang, she partners with Dexter to hunt her attackers.

Lumen Technologies

Lumen Technologies, formerly CenturyLink, is an American digital networking company in Monroe, Louisiana. It adopted the Lumen brand in 2020 and provides fiber connectivity, edge cloud, and security services to enterprises.

Lumentum

Lumentum, also known as Lumentum Holdings Inc., is an American photonics company in San Jose making optical components for cloud and AI data centers, telecom, and lasers.

Lumi (SLB platform)

Lumi is an enterprise data and artificial intelligence platform for the energy industry, launched by SLB on September 17, 2024, at the SLB Digital Forum in Monaco.

LUMI AI Factory

The LUMI AI Factory is a European Union AI innovation hub hosted by CSC in Kajaani, Finland, among the first seven EuroHPC AI Factories, selected in December 2024 and launched in 2025.

Lumi Athena

Lumi Athena, born Marco Antonio Speck Gurrola (2006), is a Mexican-American singer and producer from Guadalajara who created the KRUSHCLUB microgenre; known for "Smoke It Off!", "Let Me See Ya Move!", and "ICEWHORE!" on 25/7 Records.