All articles starting with S
44,216 articles
Sacrocolpopexy
Sacrocolpopexy, performed open or laparoscopically, repairs apical pelvic organ prolapse by anchoring the vaginal apex to the sacrum with mesh, and is considered the gold standard repair.
Sacrohysteropexy
Sacrohysteropexy is a uterus-sparing surgical procedure for uterine prolapse in which a strip of synthetic mesh anchors the uterus to the sacrum, done open, laparoscopically, or robotically.
Sacroiliac joint
Sacroiliac joint (SIJ): bilateral sacrum-ilium articulation, the body's largest axial joint, transferring spinal load to the legs; moves under 3 degrees and 2 mm, and contributes to 15-30% of low back pain.
Sacroiliac joint dysfunction
Sacroiliac joint dysfunction, also called SIJ pain or sacroiliac joint syndrome, is pain from the sacroiliac joint causing 10-33% of chronic low back pain, diagnosed by clustered provocation tests and anesthetic blocks, treated with physical therapy, injections, radiofrequency ablation, or fusion.
Sacroiliitis
Sacroiliitis is inflammation of one or both sacroiliac joints, causing buttock and lower back pain; a hallmark of axial spondyloarthritis, diagnosed by X-ray or MRI, treated with NSAIDs, biologics, and injections.
Sacrosanctum Concilium
Sacrosanctum Concilium, the Constitution on the Sacred Liturgy, is the first document promulgated by the Second Vatican Council, issued by Pope Paul VI on December 4, 1963.
Sacrosidase
Sacrosidase (Sucraid) is a baker's yeast-derived sucrase enzyme oral solution, 8,500 IU/mL, FDA-approved April 9, 1998 as the only enzyme replacement therapy for sucrase deficiency in congenital sucrase-isomaltase deficiency, patients 5 months and older; it does not digest starch.
Sacrospinous ligament fixation
Sacrospinous ligament fixation is a vaginal operation for pelvic organ prolapse that anchors the vaginal apex or uterus to the sacrospinous ligament, restoring apical support.
Sacrum
Sacrum (os sacrum): triangular bone of five fused vertebrae at the base of the spine, transferring trunk weight to the pelvis via the auricular surfaces; 58-60 ossification centers, four foramina pairs, common sacralization and coccygeal fusion variations.
Sacsayhuamán
Sacsayhuamán (Saqsaywaman), Inca ceremonial complex north of Cusco, Peru, begun under Pachakuteq; famed for 200-ton mortarless polygonal walls, a 2,997-hectare archaeological park, and debated fortress or Temple of the Sun function.
Sacubitril
Sacubitril is a prodrug converted to sacubitrilat (LBQ657), a neprilysin inhibitor; combined with valsartan as Entresto (LCZ696), an ARNI approved by FDA in 2015 for HFrEF after PARADIGM-HF showed 20% lower cardiovascular death versus enalapril.
Sacubitril allisartan calcium tablets
Sacubitril allisartan calcium tablets (沙库巴曲阿利沙坦钙片, 信超妥) are Salubris's ARNI co-crystal of sacubitril and allisartan for primary hypertension; first Chinese-developed ARNI, second globally, approved May 2025, dosed 240 mg once daily.
Sacubitril/valsartan
Sacubitril/valsartan (Entresto, LCZ696) is an angiotensin receptor-neprilysin inhibitor for heart failure, approved in the US in 2015; PARADIGM-HF showed 20% lower cardiovascular death than enalapril in HFrEF.
Sacyr
Sacyr, founded in 1986 as Sociedad Anónima de Caminos y Regadíos, is a Spanish infrastructure company in Madrid known for transport, social, and water concessions worldwide.
Sad Girls
"Sad Girls" is a 2026 dance-pop song by American singer Bebe Rexha and French DJ David Guetta, the second single from Rexha's album Dirty Blonde.
Sad Satan
Sad Satan: 2015 first-person horror game and gaming urban legend, also known as the 'deep web horror game' from Obscure Horror Corner's videos; a 4chan 'clone' by 'ZK' contained illegal images and alleged malware, and no original author was ever verified.
SAD scheme
SAD scheme (Schedule A Defendants scheme) is a mass-defendant US IP litigation pattern, named by Eric Goldman, in which rightsowners sue hundreds of mostly Chinese online sellers on a sealed Schedule A, obtain ex parte TRO asset freezes, and extract settlements; mostly trademark claims, concentrated in N.D. Illinois.
Sad Toys
Sad Toys (Kanashiki gugu; 悲しき玩具) is the second tanka collection of Japanese poet Ishikawa Takuboku, published posthumously in 1912 with 194 poems and two essays.
Sad Wings of Destiny
Sad Wings of Destiny, Judas Priest's second album (Gull, March 23, 1976), recorded at Rockfield Studios, peaked at UK number 48 and became a blueprint for NWOBHM and thrash metal.
Sad!
"Sad!" (SAD!) is a 2018 emo rap single by XXXTentacion, written with producer John Cunningham and released March 2, 2018 as lead single of the album ?. It debuted at No. 7 on the Billboard Hot 100, hit No. 1 posthumously after his June 18, 2018 death, and is RIAA Diamond certified.
Sada Abe (阿部定)
Sada Abe (阿部定), Japanese geisha and prostitute who murdered and emasculated her lover Kichizō Ishida in May 1936, was sentenced to six years, and became an enduring icon of Japanese film, literature, and sexuality studies.
Sada Kaur
Sada Kaur (ਸਦਾ ਕੌਰ), who died in 1832, was a Sikh commander who led the Kanhaiya misl, was Ranjit Singh's mother-in-law, and helped him build the Sikh Empire.
Sadaarame
Sadaarame (ಸದಾರಮೆ) is a Kannada comedy play by Bellave Narahari Shastri, one of the most popular works of early Kannada company theater, filmed as a talkie in 1935 and 1956 and revived as Miss Sadaarame.
Sadaat-i Barha
The Sadaat-i Barha (سادات برہہ), or Barha Sayyids, were a Sayyid lineage of twelve villages in the Muzaffarnagar Doab who supplied elite Mughal cavalry and made emperors.
Sadabindu Taila
Sadabindu Taila is a classical Ayurvedic medicated sesame oil instilled into the nostrils as Nasya, traditionally used for head diseases, loose teeth, weak eyesight, and hair loss.
Sadae
Sadae (사대, 事大; "serving the great") is a premodern East Asian diplomatic principle in which a smaller state served a larger one, above all China, through tribute and investiture.
Sadaejuui
Sadaejuui (사대주의) is the Korean term for deferential policy toward a stronger state, practiced by Joseon Korea as tribute and investiture toward Ming and Qing China.
Sadaf Farooqi
Sadaf Farooqi is a University of Cambridge clinician scientist known for discovering genetic causes of severe childhood obesity and showing the leptin-melanocortin pathway controls human appetite and body weight.
Sadaharu Oh (王貞治)
Sadaharu Oh (王貞治), born 1940, Yomiuri Giants first baseman; world professional record 868 career home runs, 2,786 hits, .301 average; flamingo one-legged stance; 2006 World Baseball Classic winning manager.
Sadak (सड़क)
Sadak (सड़क), 1991 Hindi romantic thriller by Mahesh Bhatt, Vishesh Films, starring Sanjay Dutt, Pooja Bhatt, and Sadashiv Amrapurkar as Maharani; Taxi Driver-inspired hit that won a Filmfare negative-role award and spawned Sadak 2 (2020).