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Stem Cell Transplantation

Stem cell transplantation (HSCT, bone marrow transplant): infusion of healthy blood-forming stem cells after high-dose chemotherapy; autologous, allogeneic, syngeneic, or cord blood; treats leukemia, lymphoma, myeloma, aplastic anemia, sickle cell disease.

Stem cells

Stem Cells (STEM CELLS) is a monthly peer-reviewed journal on stem cell biology, founded 1981 by Metcalf, Lajtha, and Takaku, published by AlphaMed Press then Oxford University Press since 2022, ISSN 1066-5099.

STEM depth sectioning

STEM depth sectioning is a 3D electron microscopy method that images different depths of a sample by scanning a focused probe through a series of defocus values.

Stem Inc

Stem Inc is an American clean energy software company founded in 2009 and headquartered in Houston, Texas, providing AI-enabled software that monitors and optimizes solar and battery storage assets worldwide.

Stem rust

Stem rust (black rust), wheat disease caused by Puccinia graminis f. sp. tritici; Ug99 race TTKSK virulent to Sr31 emerged in Uganda 1998/99, spread to 14 countries, detected in Nepal 2023; controlled by resistant cultivars and barberry eradication.

STEM trial

STEM trial (Supportive Text vs Email Messaging trial, NCT04638231): randomized noninferiority pilot trial in Edmonton, Canada comparing daily CBT-based supportive text messages versus email for major depressive disorder; found no significant difference between channels (N=66).

Stem-and-leaf display

A stem-and-leaf display, also called a stemplot, is a data display that splits each value into a stem and a leaf, showing distribution shape while keeping all values.

Stem-cell therapy

Stem-cell therapy: transplanting stem cells to treat disease. Established form is hematopoietic stem cell transplantation (HSCT, bone marrow); only FDA-approved US products are cord-blood blood-forming stem cells; most other uses are unproven.

Stemflow

Stemflow is precipitation intercepted by a plant canopy that runs down stems, branches, and trunks to the soil, concentrating water and nutrients at the plant's base.

STEMI equivalents and occlusion patterns

STEMI equivalents are ECG patterns indicating acute coronary artery occlusion when standard ST-elevation criteria are absent, including de Winter pattern, posterior MI, Wellens syndrome, and modified Sgarbossa-positive LBBB; missing them delays reperfusion.

Stemming

Stemming, or word stemming, is a text-normalization technique in natural language processing that cuts affixes off words so variants like eating and eat share a stem.

Sten

The Sten, or Sten gun, was a British 9mm submachine gun of the Second World War, designed for cheap mass production and supplied to resistance movements in occupied Europe.

Sten Eirik W. Jacobsen

Sten Eirik W. Jacobsen, born 1961 in Oslo, is a Norwegian hematologist and stem cell biologist who studies blood stem cells, professor at Karolinska Institutet since 2015.

Sten Eriksson

Sten Eriksson is a Swedish physician and researcher at Lund University and Malmö General Hospital who co-discovered alpha1-antitrypsin deficiency in 1963 and later quantified its risks of cirrhosis and liver cancer.

Sten Grillner

Sten Grillner is a Swedish neurophysiologist and Distinguished Professor at Karolinska Institutet in Stockholm, known for showing that spinal cord networks generate locomotion and for developing the lamprey as a model vertebrate.

Sten Linnarsson

Sten Linnarsson, born 1971, is a Swedish molecular systems biologist and professor at Karolinska Institutet, known for single-cell brain atlases, RNA velocity, and spatial transcriptomics, and Karolinska's Academic Vice President since 2026.

Sten Nadolny

Sten Nadolny is a German novelist and historian whose 1983 novel The Discovery of Slowness became one of the most successful German-language novels of its decade.

Sten Orrenius

Sten Orrenius (1937–2020) was a Swedish toxicologist and cell-death researcher, Professor Emeritus at Karolinska Institutet, best known for linking calcium signaling, mitochondrial oxidative stress, and apoptosis.

Sten Pettersson

Sten "Sten-Pelle" Pettersson (1902–1984), Swedish hurdler, IK Göta; Olympic 110 m hurdles bronze 1924, world records at both 110 m and 400 m hurdles, 22 Swedish titles, first Bragdguldet winner 1925; distinct from the AIK footballer of the same name.

Sten Stensen

Sten Stensen (Sten Einar Stensen, born 1947, Drammen) is a Norwegian former speed skater, 1976 Olympic 5,000 m champion and 10,000 m silver medalist, 1974 world and 1975 European allround champion, and twice 10,000 m world record holder.

Sten Suvio

Sten Suvio (Schuschin, "Stepa"), 1911–1988, Finnish welterweight boxer; first Finnish Olympic boxing champion, winning 66.6 kg gold at Berlin 1936 by unanimous decision over Germany's Michael Murach; later professional 1936–1949 and national coach.

Stena Bulk

Stena Bulk is a Swedish tanker shipping company founded in 1982, headquartered in Gothenburg, and part of the Stena Sphere, with a fleet of roughly 60 to 70 vessels.

Stena Line

Stena Line is a Swedish ferry operator founded in Gothenburg in 1962 by Sten A Olsson, running ferries on routes across Northern Europe and the Mediterranean.

Stencil

A stencil (French: pochoir) is a sheet with a design cut out, through which color is applied to print a repeated image, a technique dating to about 500 C.E.

Stencil printing (electronics manufacturing)

Stencil printing is an electronics assembly process that deposits solder paste onto PCB pads through a stencil; after reflow, it forms the conductive interconnects between components and pads.

Stendhal

Stendhal, pseudonym of Marie-Henri Beyle (1783-1842), French novelist born in Grenoble; author of The Red and the Black and The Charterhouse of Parma, pioneer of psychological realism, consul at Civitavecchia, recognized mainly posthumously.

Stenella

Stenella (Gray, 1866) is a genus of five oceanic dolphin species, spotted, spinner, striped, and clymene dolphins, found in tropical to temperate seas worldwide; molecular phylogenies since 1999 show the genus is paraphyletic.

Stenella attenuata

Stenella attenuata, the pantropical spotted dolphin (bridled dolphin), is an abundant oceanic dolphin of tropical waters worldwide; IUCN Least Concern, over 2.3 million estimated, but the eastern tropical Pacific population fell 80% from tuna purse seine bycatch.

Stenella coeruleoalba

Stenella coeruleoalba, the striped dolphin (delfín listado), is a slender oceanic dolphin of warm-temperate and tropical seas, 2.2–2.5 m long, with blue-white stripes, acrobatic leaps, IUCN Least Concern status, and an Endangered Gulf of Corinth subpopulation.

Stenella frontalis

Stenella frontalis, the Atlantic spotted dolphin (Cuvier, 1829), a Delphinidae dolphin endemic to warm Atlantic waters; 5-7.5 ft, 220-315 lb, spots develop with age; IUCN Least Concern, CITES Appendix II, MMPA protected.