All articles starting with M
36,687 articles
Meow
Meow: the human-directed vocalization of the domestic cat Felis catus, absent in adult cat-to-cat communication; acoustically shorter and higher-pitched than wildcat meows, shaped by domestication and human perceptual bias.
Meow (cat)
Meow (cat): the human-directed vocalization of the domestic cat Felis silvestris catus, a neotenized juvenile signal used for food, attention, and distress; adults rarely meow at other cats, and humans decode meows poorly.
Meow Wolf
Meow Wolf is a Santa Fe-founded immersive art company (started 2008 as an art collective) operating five permanent interactive exhibitions: House of Eternal Return, Omega Mart, Convergence Station, The Real Unreal, and Radio Tave, with LA and NYC planned.
Meowscles
Meowscles is Fortnite's hyper-muscular cat character, debuting in Chapter 2 Season 2 (2020) as a GHOST agent and Yacht boss with the Mythic Peow Peow Rifle. Based on fan art by Nollobandz; father of Kit; variants include Toon, Purradise, and Phantom Meowscles.
Mepanipyrim
Mepanipyrim (メパニピリム, Frupica, KIF-3535) is an anilinopyrimidine fungicide by Kumiai and Ihara Chemical against gray mold and powdery mildew; EU approval not renewed in 2024 for endocrine-disrupting properties.
Mepenzolate
Mepenzolate (Cantil, mepenzolate bromide) is a quaternary ammonium antimuscarinic antispasmodic, ATC A03AB12, FDA-approved November 14, 1956 and later discontinued; used in Japan for IBS and studied for COPD.
Mephedrone
Mephedrone (4-MMC, 4-methylmethcathinone), a synthetic cathinone stimulant sold as 'bath salts' or 'plant food'; acts at DAT, SERT, NET; UK Class B 2010, EU control 2010, UN control 2015.
Mephenaqualone
Mephenaqualone is a designer drug and analog of methaqualone, the 1960s sedative sold as Quaalude, with reported doses under 2 mg and no published pharmacology studies.
Mephenesin
Mephenesin (Tolserol, CAS 59-47-2), a centrally acting skeletal muscle relaxant introduced in 1948; short-acting spinal reflex depressant whose carbamate derivatives led to meprobamate.
Mephentermine
Mephentermine (Termin) is a sympathomimetic amine vasopressor, C11H17N, acting mainly by norepinephrine release; half-life 17-18 hours, approved 1951, used for spinal anesthesia hypotension, with amphetamine-type dependence risk.
Mephenytoin
Mephenytoin (Mesantoin), 3-methyl-5-ethyl-5-phenylhydantoin, a hydantoin anticonvulsant marketed since 1945 for partial and secondarily generalized seizures; metabolized to nirvanol, limited by idiosyncratic toxicity, and used as a CYP2C19 probe drug.
Mephibosheth (מְפִיבֹשֶׁת)
Mephibosheth (מְפִיבֹשֶׁת), also called Merib-baal, is Jonathan's lame son in the Hebrew Bible, the sole surviving heir of Saul's house whom David honored for Jonathan's sake.
Mephisto (Marvel Comics)
Mephisto is Marvel Comics' Hell-lord demon, debuting in Silver Surfer #3 (1968) by Stan Lee and John Buscema. Known for soul bargains with Ghost Rider, Doctor Doom's mother, and Spider-Man, and for his MCU debut in Ironheart played by Sacha Baron Cohen.
Mephistopheles
Mephistopheles (also Mephisto, Mephistophilis) is the devil of the Faust legend, first named in the 1587 German Faustbook, Marlowe's fallen-angel tempter, and Goethe's ironic 'spirit that always denies', later an opera and film icon.
Mephitis
Mephitis, also called mephit skunks, is a genus of Mephitidae with two North American species, the striped skunk Mephitis mephitis and hooded skunk Mephitis macroura, known for defensive anal spray reaching over 6 meters.
Mephobarbital
Mephobarbital (methylphenobarbital, Mebaral, Prominal) is an N-methyl barbiturate anticonvulsant and sedative introduced in 1932, metabolized to phenobarbital, Schedule IV, now discontinued in the US.
Mephosfolan
Mephosfolan (Cytrolane, ENT 25991), CAS 950-10-7, is an obsolete systemic organophosphate phosphoramidate insecticide and acaricide, an acetylcholinesterase inhibitor used on cotton and maize, not registered in the US and not approved in the EU.
Mepiquat
Mepiquat, used as mepiquat chloride (DPC, trade name Pix), is a BASF-developed plant growth retardant that inhibits gibberellin synthesis; it dominates cotton canopy management in China and was renewed in the EU until 2040.
Mepivacaine
Mepivacaine, sold as Carbocaine and Polocaine, is an amide-type local anesthetic synthesized in 1956 and marketed in 1960, used for dental anesthesia, nerve blocks, and epidural and spinal anesthesia.
Mepolizumab
Mepolizumab (Nucala) is GlaxoSmithKline's humanized anti-IL-5 IgG1 kappa monoclonal antibody, first FDA-approved November 2015 for severe eosinophilic asthma; 100 mg subcutaneously every 4 weeks, halving exacerbations, with later indications in CRSwNP, COPD, EGPA, and HES.
Meprednisone
Meprednisone (16-methylprednisone), also known by the brand name Betapar, is a synthetic glucocorticoid and methylated prednisone derivative, glucocorticoid receptor agonist, 4 mg oral tablet, discontinued.
Meprin alpha/beta subunit
Meprin alpha and beta subunits (MEP1A, MEP1B) are astacin-family zinc metalloendopeptidases forming the oligomeric proteases meprin A and B; kidney and intestine enzymes with distinct cleavage specificities, cytokine and procollagen substrates, and roles in inflammation, fibrosis, and AKI.
Meprobamate
Meprobamate (Miltown, Equanil) is a carbamate anxiolytic synthesized in 1950 by Berger and Ludwig, approved 1955, Schedule IV in the US, suspended EU-wide in 2012, and the active metabolite of carisoprodol.
Mepronil
Mepronil (3'-isopropoxy-o-toluanilide, Basitac) is a benzanilide SDHI fungicide introduced by Kumiai in 1981 for rice sheath blight and rusts; low vertebrate toxicity, not EU-approved, frequently detected in water.
Meptazinol
Meptazinol, sold as Meptid, is an opioid analgesic of the hexahydroazepine class used for short-term relief of moderate-to-severe pain such as postoperative and renal colic pain.
Meptyldinocap
Meptyldinocap (DE-126, Karathane Star) is a dinitrophenol fungicide, a single isomer of dinocap, FRAC Group 29 uncoupler used against powdery mildew on grapes and fruit; EU-approved 2015 to 31 March 2025.
Mequinol
Mequinol (4-hydroxyanisole, hydroquinone monomethyl ether) is a topical depigmenting agent, prescribed as 2% solution with 0.01% tretinoin (Solagé, US approval 1999) to treat solar lentigines; a tyrosinase substrate less irritating than hydroquinone.
Mer de Glace
Mer de Glace, largest glacier of the French Alps in the Mont Blanc massif above Chamonix; about 30 km2 and 11 km long, reached by the 1909 Montenvers train, with a famous annually re-excavated ice cave and rapid modern retreat.
Mer de Noms
Mer de Noms ("sea of names") is the 2000 debut album by A Perfect Circle, the band of Billy Howerdel and Tool's Maynard James Keenan; it debuted at No. 4 on the Billboard 200 and went RIAA platinum.
MER6 trial
MER6 (Meropenem6, NCT05578586) is an Oslo University Hospital pilot trial comparing meropenem 1 g six times daily in 15-minute infusions against 2 g three times daily in 3-hour infusions, testing serum levels above 2 mg/L for over 50% of the day in 50 ICU patients.