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Atheros Communications
Atheros Communications was a California developer of wireless chipsets, founded in 1998 by Stanford's Teresa Meng and John Hennessy, and acquired by Qualcomm in 2011 for $3.1 billion.
Atherosclerosis
Atherosclerosis: chronic inflammatory arterial disease caused by retention of apoB lipoproteins (LDL, remnants, Lp(a)) in the intima, forming plaques that rupture; statins cut events 22% per mmol/L LDL-C.
Atherosclerosis of aorta
Atherosclerosis of aorta (ICD-11 BD40.1; aortic atheroma, aortic sclerosis): lipid-driven plaque in the aortic intima; severe ≥4 mm arch atheromas raise stroke odds about ninefold; managed with risk-factor control and statins.
Atherosclerosis of renal artery
Atherosclerosis of the renal artery (atherosclerotic renal artery stenosis, ARAS): plaque narrowing the renal arteries, causing about 90% of renal artery stenosis and secondary hypertension; treated mainly with medical therapy, revascularization reserved for select high-risk patients.
Atherosclerotic cardiovascular disease risk score
An atherosclerotic cardiovascular disease (ASCVD) risk score is a clinical tool estimating 10-year and lifetime risk of heart attack or stroke, used chiefly to guide statin therapy.
Atherton Islands
Atherton Islands: two small islands off Bell Point, King George Island, South Shetland Islands, Antarctica. Charted by the Discovery Investigations 1934-35 and named after cartographer Noel Atherton; UK name approved 8 September 1953.
Atherton Tableland
Atherton Tableland, volcanic plateau in Far North Queensland west of Cairns; also Atherton Tablelands region. Fertile basalt soils, crater lakes, Australia's only tropical dairy industry, 70% of national coffee, critically endangered Mabi Forest.
Atherton–Todd reaction
The Atherton–Todd reaction is an organic reaction, first observed in 1945 by Atherton, Openshaw, and Todd, that converts dialkyl phosphites into phosphoramidates using carbon tetrachloride and an amine.
Atherton, California
Atherton, California: incorporated 1923 from Fair Oaks, named for Faxon Dean Atherton; a San Mateo County town of about 7,200 with single-family one-acre zoning, no commercial land, and median household income above $250,000.
Athetosis
Athetosis: slow, sinuous, writhing involuntary movements of the distal limbs, first described by Hammond in 1871, caused by basal ganglia injury, common in dyskinetic cerebral palsy, now often classified within the dystonia spectrum.
Athidhi
Athidhi (అతిథి) is a 2023 Telugu-language horror thriller web series written and directed by Bharath YG, starring Venu Thottempudi, which premiered on Disney+ Hotstar on September 19, 2023.
Athies
Athies, a village in the Somme department of northern France between Amiens and Saint-Quentin, known for a large Gallo-Roman villa at Bois Saint-Jean and a 6th-century Merovingian royal villa linked to Queen Radegonde.
Athina Anastasaki
Athina Anastasaki, born 1988, is a Greek polymer chemist and Associate Professor of Sustainable Polymers at ETH Zurich, known for depolymerizing Plexiglas and other polymethacrylates into reusable monomers.
Athina Onassis
Athina Onassis (Athina Onassis-De Miranda), born 1985, Greek show jumping rider and sole heiress of Aristotle Onassis; competed for Greece at CSI5 level, 2013 Europeans and 2014 World Games, and lent her name to the Athina Onassis Horse Show.
Athinkhaya
Athinkhaya (အသင်္ခယာ, c. 1261–1310) was a Burmese prince who co-founded the Myinsaing Kingdom in central Myanmar with his brothers Yazathingyan and Thihathu, overthrowing King Kyawswa of Pagan in 1297 and defending central Burma against the Mongols.
Athir al-Din al-Abhari
Athir al-Din al-Abhari (أثير الدين الأبهري), a thirteenth-century logician, mathematician, philosopher, and astronomer, wrote the philosophical handbook Hidayat al-hikma and fled the Mongol invasions westward.
Athiradi (അതിരടി) (2026 film)
Athiradi (അതിരടി) is a 2026 Malayalam-language action comedy directed by Arun Anirudhan in his debut, starring Tovino Thomas and Basil Joseph, released in theaters on 14 May 2026.
Athiran (അതിരൻ)
Athiran (അതിരൻ) is a 2019 Malayalam psychological thriller, the directorial debut of Vivek, starring Fahadh Faasil as psychiatrist Dr. M.K. Nair and Sai Pallavi as the autistic patient Nithya, written by P.F. Mathews, produced by Century Films, released 12 April 2019.
Athirappilly Falls (അതിരപ്പിള്ളി വെള്ളച്ചാട്ടം)
Athirappilly Falls (അതിരപ്പിള്ളി വെള്ളച്ചാട്ടം), the Niagara of India, is Kerala's largest waterfall: an 80-foot, 100-meter-wide cascade on the Chalakudy River in Thrissur district, famed for hornbills and a contested 163 MW dam project.
Athis/Neocaesarea
Athis/Neocaesarea: designation for Neocaesarea (Niksar, Turkey), ancient Pontic city also called Kabeira, Diospolis, and Sebaste; metropolis of Pontus Polemoniacus and see of Gregory Thaumaturgus.
Athiya Shetty (अथिया शेट्टी)
Athiya Shetty (अथिया शेट्टी) is an Indian actress, daughter of Suniel Shetty, known for Hero, Mubarakan, and Motichoor Chaknachoor, and married cricketer KL Rahul in 2023.
Athleisure
Athleisure is casual clothing for exercise and everyday use. Merriam-Webster added the term in 2016, and the market is projected to reach USD 892.5 billion by 2033.
Athleta (fashion)
Athleta is an American women's activewear brand founded in 1998 as a catalog business in Petaluma, California, and owned by Gap Inc. since 2008, selling apparel, footwear, and accessories.
Athlete
Athlete: a person who participates in sport or physical activity, from Greek for "one who competes for a prize". Defined by bodies such as World Athletics and the anti-doping Code; subject to UNESCO sport-rights principles, classification, and IOC athlete-health frameworks.
Athlete's electrocardiogram and preparticipation screening
An athlete's electrocardiogram (ECG) is a 12-lead heart recording interpreted against standards built for trained people, and preparticipation screening aims to identify cardiac conditions that raise sudden cardiac death risk before competition.
Athlete's foot
Dermatophytosis of foot, also called tinea pedis or athlete's foot (ICD-11 1F28.2), is a superficial dermatophyte fungal infection of the feet, mainly toe webs and soles, caused chiefly by Trichophyton rubrum and T. interdigitale, treated with topical antifungals.
Athlete's heart
Athlete's heart is the benign set of changes, including chamber enlargement and a slow resting heart rate, that regular athletic training produces; it can mimic hypertrophic cardiomyopathy.
Athletes Unlimited
Athletes Unlimited (AUSL) is a US network of women's pro sports leagues founded March 3, 2020 by Jon Patricof and Jonathan Soros, using weekly redrafts, individual points scoring, and a public benefit corporation structure.
Athletes Unlimited Softball League
Athletes Unlimited Softball League (AUSL), also AUSL All-Star Cup for its individual event, is a US professional women's softball league launched June 2025, MLB-backed, six city-based teams since 2026, Utah Talons champions, commissioner Kim Ng.
Athletic Bilbao
Athletic Club (Athletic Bilbao), founded 1898 in Bilbao, Spain, is a La Liga club famous for its Cantera policy of fielding only Basque-trained players since 1911-12. Eight La Liga titles, 24 Copas del Rey, never relegated, home at San Mamés.