All articles starting with M
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Mechitza (מחיצה)
A mechitza (Hebrew: מחיצה, partition) is the screen separating men's and women's prayer sections in a synagogue, required in Orthodox practice and abolished in Reform synagogues.
Mechlorethamine
Mechlorethamine, also called chlormethine or nitrogen mustard (HN2), is an alkylating chemotherapy drug developed at Yale in the 1940s, the first systemic chemotherapy agent approved in the United States.
Měcholupy
Měcholupy, also known by its German name Michelob, is a market town in Louny District, Czech Republic, about 7 km south of Žatec, first recorded in 1295.
Mechthild of Magdeburg
Mechthild of Magdeburg, also Matilda of Magdeburg, was a 13th-century German Beguine mystic who wrote The Flowing Light of the Godhead, the earliest visionary work in German.
MechWarrior 5: Clans
MechWarrior 5: Clans is a 2024 mech-combat video game. It follows a rookie five-mech Star of Clan Smoke Jaguar, and holds a Metacritic rating of 79.
MechWarrior 5: Mercenaries
MechWarrior 5: Mercenaries (Piranha Games, December 2019) is an open-world BattleTech mech simulation where players run a mercenary company from 3015 through the Clan Invasion, with nine DLC packs, 4-player co-op, and Steam Workshop mod support.
MechWest
MechWest is an independent 3D-animated steampunk western TV series (also called a cattle-punk or dieselpunk western) created by Dave and Noah Gallagher and produced by AnimSchool Studios. It premiered on YouTube February 14, 2024, follows Pearl West and the mech Six, and later streamed on Angel Studios with Toonz handling worldwide distribution.
Meckel syndrome
Meckel syndrome (Meckel-Gruber syndrome, dysencephalia splanchnocystica) is a lethal autosomal recessive ciliopathy defined by occipital encephalocele, polycystic kidneys, and polydactyly, fatal before or shortly after birth.
Meckel's diverticulum
Meckel's diverticulum, a true ileal diverticulum from vitelline duct persistence, affects 1–3% of people; ectopic gastric mucosa causes bleeding, obstruction, or diverticulitis, diagnosed by Tc-99m scan and treated by resection.
Mecklenburg
Mecklenburg is a historic region on the Baltic coast of northern Germany, named after the Obotrite fortress Michilenburg near Wismar and now forming the western part of Mecklenburg-Vorpommern.
Mecklenburg County, North Carolina
Mecklenburg County, North Carolina: county seat Charlotte, formed from Anson County in 1762/1763, named for Queen Charlotte of Mecklenburg-Strelitz; population about 1.23 million in 2025.
Mecklenburg-Vorpommern
Mecklenburg-Vorpommern (Mecklenburg-Western Pomerania) is a northeastern German state on the Baltic Sea, capital Schwerin, largest city Rostock. About 1.57 million people on 23,293 km2; GDP EUR 63.58 billion (2025); reestablished 1990; AfD won 38.2% in the 2026 state election.
Meclaria
Meclaria (Medaria), Roman road station and vicus at Thörl-Maglern, Carinthia, Austria, on the Aquileia–Virunum route; named by Paulus Diaconus (~625), with a 2nd–3rd century beneficiarius station and late-antique Hoischhügel fortification.
MECLEES trial
MECLEES (MEdical CLowns EEg Study), NCT05257096, a 2022 randomized trial at Bnai Zion Medical Center, Haifa, showing medical clowns improved EEG quality and cooperation in 100 children aged 1-5 without sedation.
Meclis-i Mebusan
Meclis-i Mebusan (مجلس مبعوثان) was the elected lower house of the Ottoman parliament, created by the 1876 constitution and closed by sultanic decree in 1920.
Meclis-i Umumi
The Meclis-i Umumi was the bicameral parliament of the Ottoman Empire, created under Sultan Abdulhamid II's 1876 constitution, prorogued in 1878, restored in 1908, and dissolved in 1920.
Meclizine
Meclizine (meclozine), a first-generation piperazine antihistamine sold as Antivert, Bonamine, and Dramamine II, treats vertigo and motion sickness; FDA-approved since 1957, dosed 25-100 mg daily, metabolized by CYP2D6, causes drowsiness.
Meclofenamic acid
Meclofenamic acid, sold as meclofenamate sodium, is a fenamate NSAID once used for arthritis and menstrual pain, now mainly a veterinary drug for horses and dogs.
Mecmua
Mecmua (Ottoman Turkish: مجموعه) is the standard term for Ottoman manuscript miscellanies that compile texts of mixed kinds, from personal notebooks to poetry, correspondence, law, and history.
Mecmua-i Fünun
Mecmua-i Fünun (Mecmûa-i Fünûn, "Journal of Sciences") was a monthly Ottoman Turkish science journal published in Istanbul from 1862 under the leadership of Münif Paşa.
Mecna
Mecna is the stage name of Corrado Grilli, born in 1987, an Italian rapper and graphic designer whose albums span Disco Inverno (2012) to Discordia (2025).
Mecole Hardman
Mecole Hardman Jr. (born 1998), NFL wide receiver and return specialist from Georgia; drafted 56th overall by the Chiefs in 2019, three-time Super Bowl champion who caught the first walk-off touchdown pass in Super Bowl history (LVIII).
MECOM
MECOM (MDS1 and EVI1 complex locus, EVI1, PRDM3) is a zinc finger transcription factor gene on chromosome 3q26.2, essential for hematopoietic stem cells and an oncogene whose rearrangements mark high-risk, therapy-resistant leukemia.
Meconium
Meconium, the newborn's first stool, is a thick greenish-black intestinal discharge of amniotic fluid, bile, and shed cells; passed in utero in 10-25% of births, it can cause meconium aspiration syndrome.
Meconium aspiration syndrome
Meconium aspiration syndrome (MAS): neonatal respiratory distress from inhaling meconium-stained amniotic fluid, affecting 3-5% of MSAF births; treated with ventilation, surfactant, nitric oxide, ECMO; prevented by amnioinfusion, not routine suctioning.
Meconium ileus with perforation
Meconium ileus with perforation (ICD-11 KB87.4) is complicated neonatal ileus where thick meconium obstructs the distal ileum and the bowel ruptures, causing meconium peritonitis; usually linked to cystic fibrosis and treated surgically.
Meconium staining
Meconium passage during delivery (ICD-10 P03.82, ICD-11 KA05.8) is fetal passage of meconium into amniotic fluid during labor, occurring in 12-20% of deliveries; routine intrapartum suctioning is no longer recommended.
Mecoprop
Mecoprop (MCPP), 2-(4-chloro-2-methylphenoxy)propanoic acid, is a chiral chlorophenoxy synthetic auxin herbicide (WSSA group 4) for broadleaf weeds in turf and cereals; the active R isomer is sold as mecoprop-P, EU-approved 2026-2033.
Mecoprop p
Mecoprop p (mecoprop-P, MCPP-p), CAS 16484-77-8, is the R-enantiomer of the phenoxy herbicide mecoprop, a group 4 synthetic auxin for broadleaf weeds in turf and cereals; EU approval renewed 2026/2025 to 2033 as candidate for substitution.
Mecoptera
Mecoptera, scorpionflies and hangingflies, a small holometabolous insect order of about 550-800 species in nine families, defined by a rostrum and similar fore and hind wings; fleas nest within it, making the order paraphyletic.