All articles A–Z

Stenella longirostris

Stenella longirostris, the spinner dolphin, a pantropical delphinid known for aerial spins, night feeding on mesopelagic prey, and daytime resting in bays; IUCN Least Concern, eastern subspecies Vulnerable.

Steneosaurus

Steneosaurus ('narrow lizard'), named by Geoffroy Saint-Hilaire in 1825, is a Jurassic teleosauroid crocodylomorph genus, long a wastebasket taxon, now a nomen dubium after its type species S. rostromajor was judged undiagnostic in 2020.

Stenhousemuir

Stenhousemuir: town in Falkirk council area, Scotland, near Larbert; grew around the Falkirk tryst cattle market (held there since 1785); named for Arthur's O'on, a Roman monument destroyed in 1743; population about 9,600.

Stenhousemuir F.C.

Stenhousemuir F.C., The Warriors, is a Scottish Championship club founded 1884 in Stenhousemuir, playing at Ochilview Park. First league title 2023-24, Challenge Cup 1995, promoted to the second tier in 2026.

Oct 10, 2026

Sténio Vincent

Sténio Joseph Vincent (1874–1959) was a Haitian lawyer, journalist, and politician who served as president of Haiti from 1930 to 1941, negotiating the end of the American occupation in 1934 and then ruling increasingly authoritarianly.

Stenkil

Stenkil (died c. 1066), king of Sweden from c. 1060, founder of the Stenkil dynasty ruling to c. 1130; a Christian king of Västergötland who cooperated with Hamburg–Bremen but blocked the burning of the Uppsala temple.

Stennis Space Center

Stennis Space Center is NASA's primary rocket propulsion testing facility in Hancock County, Mississippi, which tested Saturn V and shuttle engines and now tests SLS for Artemis.

Steno (Martian crater)

Steno (Feature ID 5697) is an IAU-named impact crater on Mars, about 106.90 km across, centered at −67.76° latitude, 244.40°E longitude in the southern high latitudes; recorded in the USGS Gazetteer of Planetary Nomenclature.

Steno-2 trial

Steno-2 trial: Danish randomized trial (1993) of intensified versus conventional multifactorial treatment in 160 patients with type 2 diabetes and microalbuminuria; 53% lower cardiovascular risk, 7.9 years longer median survival.

Stenocercus

Stenocercus, whorl-tailed iguanas (Tropiduridae), is a South American lizard genus from the Andes and lowlands, 0–4,000 m, with about 81 species, late Oligocene origins, and ongoing new-species descriptions.

Oct 20, 2026

Stenodus leucichthys

Stenodus leucichthys, the inconnu, sheefish, or beloribitsa (белорыбица), is the largest coregonine whitefish (Salmonidae), with a Caspian subspecies extinct in the wild and a Holarctic nelma form from Russia to northwest Canada.

Stenolepis

Stenolepis is a monotypic gymnophthalmid lizard genus (Boulenger, 1887) whose single species, S. ridleyi, the Pernambuco Teiid, lives in northeastern Brazil's Atlantic Forest; not the fern Dryopteris stenolepis or Pacific halibut.

Stenonychosaurus

Stenonychosaurus, a small 2.5 m troodontid theropod dinosaur from the Late Cretaceous (77–74 Ma) of Canada, named by Sternberg in 1932; long synonymized with Troodon, its validity is disputed, with large-toothed omnivory and a large brain.

Oct 20, 2026

Stenosis of larynx

Stenosis of larynx, or laryngotracheal stenosis, is narrowing of the laryngeal airway, usually from intubation injury or idiopathic subglottic stenosis; treated endoscopically or by open resection and reconstruction.

Stenosis of the rectum

Stenosis of the rectum (rectal stenosis, ICD-11 DB30.4) is narrowing of the rectum from malignant or benign, intrinsic or extrinsic causes; anastomotic stricture after rectal resection affects 3-20%, treated first by endoscopic balloon dilation.

Stenotomus chrysops

Stenotomus chrysops, the scup or porgy, is a Northwest Atlantic sparid fish ranging from Cape Cod to Cape Hatteras, migratory inshore in summer and offshore in winter, and managed under a rebuilt, MSC-certified U.S. fishery.

Stenotritidae

Stenotritidae, stenotritid bees, is the smallest bee family, about 21-22 species in two genera (Ctenocolletes, Stenotritus), endemic to Australia. Large, fast-flying, ground-nesting short-tongued bees, sister to Colletidae, formerly its subfamily.

Stenotrophomonas

Stenotrophomonas: genus of gram-negative aerobic motile rods (formerly Xanthomonas), type species S. maltophilia, an environmental multidrug-resistant opportunistic pathogen also used in biocontrol.

Stenotrophomonas maltophilia

Stenotrophomonas maltophilia, formerly Bacterium bookeri, Pseudomonas maltophilia, and Xanthomonas maltophilia, is a water-dwelling Gram-negative bacillus and multidrug-resistant opportunistic pathogen defined by L1/L2 beta-lactamases, treated with TMP-SMX or minocycline.

Stenotype

Stenotype machine: chorded phonetic keyboard (stenograph, Palantype) used by court reporters and captioners; Ward Stone Ireland 1911 keyboard, 225 WPM benchmark, realtime CAT translation since the 1992 Stentura.

Stent

Stent: small mesh tube (bare metal, drug-eluting, stent graft, silicone) holding open arteries, ureters, bile ducts, or airways; evolved from 1977 balloon angioplasty, first FDA-approved 1987; main failures restenosis and thrombosis.

Stent graft implantation

Stent graft implantation is an endovascular procedure in which a fabric-covered metal scaffold is placed inside a blood vessel to exclude aneurysms, first reported by Juan Parodi in 1991.

Stent implantation

Stent implantation is a percutaneous procedure in which a small metal mesh tube is expanded inside a narrowed coronary artery to hold the vessel open and restore blood flow.

Stent retriever thrombectomy

Stent retriever thrombectomy is an endovascular procedure that removes a clot from a cerebral artery by deploying a stent-like mesh across it and withdrawing the device.

Stent-electrode recording array

Stent-electrode recording array (Stentrode, Synchron): a nitinol stent with 16 platinum electrodes implanted via the jugular vein into the superior sagittal sinus to record vascular ECoG for brain-computer interfaces in paralysis; first-in-human SWITCH trial showed no serious adverse events over 12 months.