All articles starting with M
36,687 articles
Mesial temporal lobe epilepsy with hippocampal sclerosis
Epilepsy with mesial temporal sclerosis (ICD-11 8A60.7), also called epilepsy with hippocampal or Ammon's horn sclerosis: focal epilepsy from hippocampal scarring, often after childhood febrile seizures, frequently drug-resistant but highly surgically treatable.
Mesih Pasha
Mesih Pasha (مسیح پاشا) was an Ottoman grand vizier of Byzantine Greek origin, a kinsman of the Palaiologos dynasty who served Bayezid II from 1499 to 1501.
Mesihî
Mesihî (مسیحی) was an Ottoman divan poet and calligrapher from Prishtina, active under Bayezid II, who served grand vizier Hadim Ali Pasha and died in Bosnia around 1512.
Mesilim
Mesilim (Mesalim) was a king of Kish in Early Dynastic Sumer, active around 2600–2550 BC, remembered chiefly as arbiter of the Lagash–Umma boundary dispute, often called the first international arbitration.
Mesilim's boundary settlement between Lagash and Umma
Mesilim, king of Kish, measured off and marked the boundary between the Sumerian city-states of Lagash and Umma around 2600 BC, erecting a stela in the contested Gu'edena district.
Mesityl oxide
Mesityl oxide is a colorless, oily liquid ketone with a pungent honey-like odor, made by dehydrating diacetone alcohol and used as a solvent and chemical intermediate.
Mesitylene
Mesitylene, also called sym-trimethylbenzene, is a symmetric aromatic hydrocarbon (C₉H₁₂) occurring in coal tar and petroleum, used as a solvent, paint thinner component, and chemical intermediate.
Meskalamdug
Meskalamdug (Mes-kalam-du), 'hero of the good land', was a ruler of the Sumerian city of Ur around 2600 BC, known from a gold helmet in the Iraq Museum.
Meskhent Tessera
Meskhent Tessera (also spelled Meshkenet Tessera) is a 1,056-km-wide deformed tessera terrain on Venus at 65.8°N, 103.1°E, named for an Egyptian goddess of fortune, IAU-approved 1985, in the V-3 quadrangle near Fortuna, Tellus, and Atalanta Planitia.
Meskiagnunna
Meskiagnunna, also written Mes-ki'ag-nuna, was a king of the First Dynasty of Ur in Sumer, reigning in the mid-25th century BC. He succeeded Mesannepada and is known from a bowl dedication naming him "king of Ur".
Meskigal
Meskigal, also read Meskigala, was the Sumerian governor (ensi) of the southern Mesopotamian city of Adab in the time of Sargon of Akkade, and was captured in battle by Rimush.
Meskwaki
The Meskwaki, also called the Fox, are an Algonquian-speaking Native American people, today the Sac & Fox Tribe of the Mississippi in Iowa and the only federally recognized tribe in Iowa.
Mesmerizer (メズマライザー) (song)
Mesmerizer (メズマライザー) is a 2024 happy hardcore vocal-synth song by producer 32ki (Satsuki), sung by Hatsune Miku and Kasane Teto; fastest Vocaloid song to 100 million YouTube views (204 days) and a Billboard Japan chart-topper.
Mesmin Destin
Mesmin Destin is a social psychologist at Northwestern University, professor of human development and social policy, known for experiments showing brief interventions that raise first-generation college students' grades.
Mesna
Mesna is a cytoprotective drug, sold as Mesnex and Uromitexan, that binds toxic ifosfamide metabolites in urine to prevent hemorrhagic cystitis during chemotherapy; it was approved in the United States in 1988.
Mesnac
Mesnac (软控股份) is a Chinese manufacturer of rubber and tire machinery headquartered in Qingdao, founded in 2000 and listed on the Shenzhen Stock Exchange in 2006.
Meso compound
A meso compound is an achiral molecule with two or more stereocenters that is superimposable on its mirror image, with an internal plane of symmetry; meso-tartaric acid is the classic example.
Meso-superstructured perovskite solar cell
The meso-superstructured perovskite solar cell (MSSC), introduced at Oxford in 2012, coats a perovskite absorber on an insulating mesoporous alumina scaffold, proving the perovskite transports its own charges and reaching 10.9% efficiency.
Meso-zeaxanthin
Meso-zeaxanthin (MZ), the (3R,3′S) stereoisomer of zeaxanthin, is one of three carotenoids in human macular pigment, formed from lutein via RPE65, scarce in diet, made from marigold lutein for supplements, and FDA GRAS since 2014.
Mesoamerica
Mesoamerica: culture area coined by Paul Kirchhoff in 1943 covering most of Mexico and Central America, defined by maize agriculture, hieroglyphic writing, the Mesoamerican calendar, and ball courts, with Archaic-to-Postclassic chronology and unfixed cultural boundaries.
Mesoamerican ballgame
The Mesoamerican ballgame, known to the Aztecs as ullamaliztli, was an ancient team sport played across Mesoamerica with a solid rubber ball struck using the hips, shoulders, and thighs.
Mesoamerican calendar
The Mesoamerican calendar (calendario mesoamericano) was the shared system combining a 365-day solar year with a 260-day count, used across Mesoamerica for dating, ritual, and divination.
Mesoamerican calendars
Mesoamerican calendars are interlocking pre-Columbian timekeeping systems pairing a 260-day ritual count with a 365-day solar year, joined in a 52-year Calendar Round and extended by the Maya Long Count.
Mesoamerican chronology
Mesoamerican chronology divides pre-Hispanic history into Archaic, Formative (Preclassic), Classic, and Postclassic periods, roughly 1500 BC to AD 1521, with boundaries varying by region and author.
Mesoamerican languages
Mesoamerican languages are the roughly 140 Indigenous languages of Mesoamerica, from central Mexico through Guatemala, Belize, Honduras, and El Salvador, belonging to ten families and isolates.
Mesoamerican Long Count calendar
The Mesoamerican Long Count calendar, or Maya Long Count, is the ancient Maya's linear day count from a mythological creation date, giving each day a unique position.
Mesoamerican pyramids
Mesoamerican pyramids: stepped temple platforms of the Olmec, Teotihuacan, Maya, Toltec, and Aztec, topped by shrines, built in terraces with talud-tablero profiles, unlike Egyptian tombs; key examples include Teotihuacan's Pyramid of the Sun and El Castillo.
Mesoarchean
The Mesoarchean is the third of four Archean Eon eras, spanning 3200 to 2800 million years ago, an interval that records the stabilization of the first large cratons.
Mesoaxial synostotic syndactyly with phalangeal reduction
Mesoaxial synostotic syndactyly with phalangeal reduction (MSSD, syndactyly type 9, Malik-Percin type, OMIM 609432) is an extremely rare autosomal recessive limb malformation with fused 3rd-4th fingers, metacarpal synostosis, and BHLHA9 mutations.
Mesobot
Mesobot is a 250-kilogram hybrid underwater robot, developed by Woods Hole Oceanographic Institution and partners, that tracks and films midwater animals in the ocean's twilight zone down to 1000 meters.