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Stellar-wind bubble

A stellar-wind bubble, also called a wind-blown bubble, is a hot, low-density cavity carved in interstellar gas by a star's fast outflow, forming around massive stars and clusters as superbubbles.

Stellarator

A stellarator is a magnetic-confinement fusion device whose twisting field comes entirely from external coils, invented by Lyman Spitzer at Princeton in 1951 and developed alongside the tokamak.

Stellaria

Stellaria (starworts, chickweeds) is a genus of ~110–150 Caryophyllaceae herbs, type S. graminea, Miocene origin in northern Eurasia; best-known species is common chickweed (Stellaria media), an edible weed used in traditional medicine.

Stellaria media

Stellaria media, common chickweed, is a Caryophyllaceae winter annual weed native to temperate Eurasia and North Africa, producing up to 15,000 seeds per plant, edible but invasive, with ALS herbicide resistance confirmed in Ireland.

Stellaris (video game)

Stellaris is a 2016 sci-fi grand strategy and 4X game by Paradox Development Studio; sold 200,000+ units in 24 hours, 1.5 million by 2018, still updated with expansions like Nomads.

Stellaris Venture Partners

Stellaris Venture Partners is a Bengaluru-based early-stage venture capital firm founded in 2017 by three former Helion executives, investing at seed and Series A in India.

Stellastarr

Stellastarr was a New York indie rock band formed in 2000 by Pratt Institute classmates Shawn Christensen, Amanda Tannen, and Arthur Kremer with guitarist Michael Jurin. Three albums: stellastarr (2003, RCA, Metascore 78), Harmonies for the Haunted (2005), Civilized (2009); best known for "Jenny" and "My Coco"; on hiatus since 2009.

Stellate ganglion block

A stellate ganglion block (SGB) is an injection of local anesthetic beside the cervical sympathetic trunk in the neck, used to treat conditions like CRPS and PTSD.

Stellate multiform amelanotic choroidopathy

Stellate multiform amelanotic choroidopathy (SMACH), formerly serous maculopathy due to aspecific choroidopathy, is a rare choroidal disease with stellate amelanotic lesions, subretinal fluid in about 59% of cases, and stable lesion size.

Stellate neuron

Stellate neuron (Cell Ontology CL:0000122, stellate cell): a neuron with star-shaped radiating dendrites. Distinct populations exist in cerebellar molecular layer (GABAergic), neocortical layer 4 (excitatory spiny stellate), and entorhinal cortex layer II (grid-cell related).

Stellate non-hereditary idiopathic foveomacular retinoschisis

SNIFR (stellate non-hereditary idiopathic foveomacular retinoschisis) is a rare, usually unilateral macular schisis of the Henle fiber layer in middle-aged women, described by Ober et al. in 2014, with preserved vision and diagnosis by exclusion.

Stellenbosch

Stellenbosch, Western Cape town founded 1679 by Simon van der Stel on the Eerste River, South Africa's second oldest town, home of Stellenbosch University, its wine route, and a R13 billion tourism economy.

Stellenbosch University

Stellenbosch University (Universiteit Stellenbosch), a public research-intensive university in Stellenbosch, South Africa, established 2 April 1918 from Victoria College. 10 faculties, five campuses, about 35,000 students; known for its contested Afrikaans, English and isiXhosa language policy.

Steller

Mount Steller is a 2,272 m glaciated Holocene-active stratovolcano in Katmai National Park, Alaska, between Denison and Kukak volcanoes; unmonitored, no historical eruptions, named 1928 for naturalist Georg Wilhelm Steller.

Steller sea lion

Steller sea lion (Eumetopias jubatus), or northern sea lion: largest otariid, North Pacific coasts. Males to 2,500 lb; western DPS endangered after 77-81% decline, eastern DPS delisted 2013.

Steller's jay

Steller's jay (Cyanocitta stelleri), Chara de Steller, Geai de Steller: a large black-crested, blue-bodied corvid of western North American conifer forests from Alaska to Nicaragua, named for naturalist Georg Steller; IUCN Least Concern, about 3 million birds.

Steller's sea cow

Steller's sea cow (Hydrodamalis gigas) was a giant kelp-eating sirenian of the Bering Sea's Commander Islands, discovered by Georg Steller in 1741 and hunted to extinction by 1768, the first historical marine mammal extinction at human hands.

Steller's sea eagle

Steller's sea eagle, Haliaeetus pelagicus, is a large fish eagle of the Russian Far East and one of the world's heaviest eagles, wintering mainly on Hokkaido, Japan.

Stellex Capital Management

Stellex Capital Management is a New York-based private equity firm founded in 2014 by Ray Whiteman and Michael Stewart, spun out of Carlyle's distressed-investing team to buy troubled middle-market companies.

Stellex Capital Partners

Stellex Capital Partners is the flagship private equity fund family of Stellex Capital Management, a New York firm founded in 2014 by Ray Whiteman and Michael Stewart.

Stellite

Stellite is a family of cobalt-based wear- and corrosion-resistant alloys developed by Elwood Haynes in 1887, used for hardfacing valve seats, pump shafts, and saw tips.

STELLO-like

STELLO-like (IPR005049, Pfam PF03385) is a protein family of Golgi-localized glycosyltransferase-related proteins in animals and plants; Arabidopsis STELLO1/2 regulate cellulose synthase complex assembly.

Stelvio Pass

Stelvio Pass (Passo dello Stelvio, Stilfser Joch), 2,757–2,758 m alpine pass between Lombardy and South Tyrol, Italy. Highest paved pass in Italy, second in the Alps; SS38 road built 1820–1825 by Carlo Donegani, 48 hairpins on the Trafoi side, Giro d'Italia classic.

Stem (typography)

In typography, a stem is the main vertical or full-length angled stroke of a letterform, such as the uprights of b and H, and its weight defines a typeface.

Stem cell

A stem cell is a cell that can both replicate itself and differentiate into specialized cell types; types include embryonic, adult, and laboratory-made induced pluripotent stem cells.

Stem cell controversy

The stem cell controversy covers ethical, legal, religious, and scientific disputes over stem cell research, centered on deriving human embryonic stem cells, which typically destroys embryos.

Stem cell factor

Stem cell factor (SCF, Steel factor, Kit ligand, mast cell growth factor) is a dimeric cytokine activating the c-Kit receptor tyrosine kinase, essential for hematopoiesis, pigmentation, and fertility; recombinant SCF (ancestim) was approved in Canada and New Zealand.

Stem cell isolation

Stem cell isolation is the set of laboratory methods for separating rare stem cells from mixed populations in tissues, blood, or cultures, producing enriched cells for transplantation and research.

Stem cell of epidermis

Epidermal stem cells (EPSCs, skin epithelial stem cells) are self-renewing adult stem cells in the epidermis and hair follicle bulge that generate keratinocytes, hairs, and sebocytes, and underpin cultured epidermal autograft, vitiligo, and gene-corrected epidermolysis bullosa therapies.

Stem cell research

Stem cell research is the branch of biology and medicine that studies stem cells, unspecialized cells that renew themselves and differentiate, aiming to turn those properties into disease models and therapies.