All articles starting with M

Medora, North Dakota

Medora, North Dakota, is a small Badlands town founded in 1883 by the Marquis de Mores, now the gateway to Theodore Roosevelt National Park and its library.

Sep 19, 2026

Medracen

Medracen, also Madghacen or Medghacen, is a large circular royal mausoleum of the Numidian kings in the Aurès Mountains of eastern Algeria, the oldest extant royal mausoleum in North Africa.

Sep 24, 2026

Medri Bahri

Medri Bahri, meaning "the land of the sea," was a semi-autonomous polity of the Eritrean highlands under Solomonic emperors, ruled by the Bahr Negash from Debarwa.

Medrobotics Corporation was a privately held medical robotics company in Raynham, Massachusetts, that developed the Flex Robotic System for transoral head and neck surgery before entering bankruptcy in 2022.

Medrogestone

Medrogestone (Colprone) is a synthetic oral progestogen, 6,17α-dimethyl-6-dehydroprogesterone, developed by Ayerst, approved in Canada in 1969, never FDA-approved, used in France for progesterone-deficiency disorders, with prolonged use linked to increased meningioma risk (OR 3.49).

Medronic acid

Medronic acid (methylenediphosphonic acid, medronate, MDP), CAS 1984-15-2, is the simplest bisphosphonate, a pyrophosphate analogue with a P-C-P core that binds hydroxyapatite and is used complexed with technetium-99m for bone scanning.

Medroxyprogesterone acetate

Medroxyprogesterone acetate, sold as Depo-Provera, is a synthetic progestin in clinical use since the 1960s, given by injection every 3 months as a contraceptive and in oral tablets.

medRxiv

medRxiv is a free preprint server for medical and health sciences research, launched in June 2019 by Cold Spring Harbor Laboratory, Yale University, and BMJ.

Medrysone

Medrysone (HMS) is a weak synthetic topical corticosteroid, 11β-hydroxy-6α-methylpregn-4-ene-3,20-dione, used as 1% ophthalmic suspension for allergic and vernal conjunctivitis and episcleritis, notable for minimal intraocular pressure elevation and discontinued US marketing.

Oct 20, 2026

MEDS domain

MEDS domain (Pfam PF14417, MEthanogen/methylotroph DcmR Sensory domain): a prokaryotic sensory protein domain, an inactive P-loop NTPase of the RecA superfamily, predicted to sense hydrocarbon derivatives in methanogens, methylotrophs, and actinomycete anti-sigma factors.

MedSAM

MedSAM is a promptable AI foundation model for medical image segmentation, fine-tuned from Meta's Segment Anything Model on over 1.5 million medical image-mask pairs and introduced in April 2023.

MedSolutions

MedSolutions was a Franklin, Tennessee-based radiology benefits management and medical cost management company serving commercial, Medicare, and Medicaid payors until its 2014 merger with CareCore National.

MedSynergies

MedSynergies was a privately held healthcare services company founded in 1996 and headquartered in Irving, Texas, providing revenue cycle management and practice management services until Optum acquired it in 2014.

Medtech SA

Medtech SA was a French surgical robotics company in Montpellier, founded in 2002 by Bertin Nahum and known for the ROSA robots for brain and spine surgery.

Medtronic

Medtronic (Medtronic plc, NYSE: MDT), Galway, Ireland-based medical device maker founded 1949 by Earl Bakken; invented the 1957 battery-operated wearable pacemaker; treats 70+ conditions across cardiovascular, surgical, and neuroscience portfolios; separated its MiniMed diabetes business in 2026.

Oct 22, 2026

Medu Art Ensemble

Medu Art Ensemble, meaning "roots" in SePedi, was a collective of exiled South African cultural workers in Gaborone, Botswana, producing anti-apartheid posters, music, and theater until 1985.

Medulla oblongata

The medulla oblongata is the lowermost part of the brainstem, continuous with the spinal cord, which controls breathing, heart rate, and blood pressure and houses nuclei for cranial nerves IX through XII.

Medullary sponge kidney

Medullary sponge kidney (Cacchi-Ricci disease) is a congenital dilatation of medullary collecting ducts causing kidney stones, hematuria, and UTIs; present in 12-20% of calcium stone formers, usually benign.

Oct 20, 2026

Medullary tegmental cap dysplasia

Medullary tegmental cap dysplasia (MTCD, ORPHA:727881) is a rare brainstem malformation, first described by Barkovich in 2005, with an abnormal cap protruding from the posterior medullary surface, variable neurodevelopment, and links to Joubert syndrome and FOP.

Medullary thymic epithelial cell

Medullary thymic epithelial cell (mTEC): thymic medulla epithelial cell enforcing central tolerance via promiscuous gene expression of tissue-restricted antigens regulated by Aire and Fezf2; subsets mTEC I-IV include Aire+ mTEChi and tuft-like mTEC IV; AIRE mutations cause APS-1.

Medulloblastoma

Medulloblastoma is a grade 4 malignant embryonal brain tumor of the posterior fossa cerebellum, occurring mostly in children, classified into WNT, SHH, group 3, and group 4 molecular subgroups, treated with surgery, craniospinal radiation, and chemotherapy.

Medupi power station

Medupi power station is a dry-cooled, coal-fired baseload power station operated by Eskom near Lephalale in Limpopo province, South Africa, with six supercritical units totaling 4,800 MW.

Medusa (comics)

Medusa (Medusalith Amaquelin Boltagon) is a Marvel Comics Inhuman queen, wife of Black Bolt, debuting in Fantastic Four #36 (1965) as an amnesiac Frightful Four member; her prehensile, psychokinetically controlled hair distinguishes her from the Greek mythological Medusa.