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Anomer

Anomers are a pair of cyclic stereoisomers of a sugar, designated α and β, that differ only at the anomeric carbon formed when a monosaccharide closes into a ring.

Anomeric center

The anomeric center is the new center of chirality formed when a sugar closes into a ring; its carbon is the anomeric carbon, giving α and β anomers.

Anomeric effect

The anomeric effect, also called the Edward–Lemieux effect, is a stereoelectronic effect in organic chemistry that makes polar substituents at the anomeric carbon of pyranose sugars prefer the axial position.

Anomic aphasia

Anomic aphasia, also called nominal or amnesic aphasia, is the mildest fluent aphasia syndrome: marked word-retrieval failure with preserved fluency, comprehension, and repetition, linked to left perisylvian lesions, stroke, and Alzheimer disease.

Anomie

Anomie (Greek anomia, normlessness): sociological concept for a society whose norms lose regulatory power. Introduced by Durkheim (1893, Suicide 1897); reformulated by Merton (1938) as a goals-means gap; measured today by the Perception of Anomie Scale.

Anomie (film)

Anomie: The Equation of Death is a 2026 Malayalam crime thriller, Riyas Marath's directorial debut, starring Bhavana as forensic expert Zara Philip and Rahman as cop Gibran, hunting a killer who disguises murders as suicides; released 6 February 2026.

Anon (film)

Anon is a 2018 sci-fi thriller written and directed by Andrew Niccol, starring Clive Owen and Amanda Seyfried, released on Netflix May 4, 2018; set in a surveillance future where memories are recorded, it earned 38% on Rotten Tomatoes and a 54 Metascore.

Anonymity

Anonymity is the condition of being unidentifiable in a context, spanning technical and social anonymity. Key facts: deindividuation research, SIDE model, online disinhibition, cyber aggression meta-analyses, research ethics, and anonymity networks.

Anonymous (2011 film)

Anonymous is a 2011 historical drama film directed by Roland Emmerich, premised on Edward de Vere, Earl of Oxford, as the true author of Shakespeare's plays.

Anonymous (hacker group)

Anonymous is a decentralized hacktivist collective originating on 4chan in 2003, known for Project Chanology, Operation Payback, Arab Spring operations, the Guy Fawkes mask, and its legacy in later hacktivist groups.

Anonymous Content

Anonymous Content is an independent production and talent management company founded in 1999 by Steve Golin, based in Culver City. Known for Spotlight, The Revenant, and Mr. Robot; backed by Emerson Collective and led by CEO Darren Walker.

Anonymous credential

An anonymous credential is a cryptographic credential letting a holder prove facts like being over 18 without revealing their identity, first proposed by David Chaum in 1985.

Anonymous function

An anonymous function, also called a function literal, is a function definition that is not bound to an identifier, usable inline as a value in languages like Python and JavaScript.

Anonymous multi-agent path finding

Anonymous multi-agent path finding, also called unlabeled MAPF, is a multi-agent path finding variant where interchangeable agents are assigned to goal vertices with collision-free paths; makespan-optimal solutions are found in polynomial time.

Anonymous Signal (夺命提示)

Anonymous Signal (奪命提示, Death Hint) is a 2025 30-episode TVB Cantonese action-suspense police sci-fi drama by producer Jazz Boon, about a phone assistant's hints that help police solve murders, airing on TVB Jade and Youku.

Anonymous Testing

Anonymous testing: testing in which the person or specimen source is not individually identified, used chiefly for HIV testing and surveillance; a coded identifier links results, raising uptake versus confidential name-based testing.

Anoop Jacob

Anoop Jacob is an Indian politician of the Kerala Congress (Jacob) who serves as a Kerala minister for Food, Civil Supplies, Consumer Affairs, and Legal Metrology.

Anoop Kumar (অনূপ কুমার)

Anoop Kumar (অনূপ কুমার), born Kalyan Kumar Ganguly (1926-1997), was a Hindi film actor and producer, middle brother of Ashok Kumar and Kishore Kumar, known for Chalti Ka Naam Gaadi (1958) and Junglee (1961); distinct from Bengali actor Anup Kumar.

Anoop Menon (അനൂപ് മേനോൻ)

Anoop Menon (അനൂപ് മേനോൻ), born 1976 in Kozhikode, is a Malayalam film actor, screenwriter, lyricist, and director; Kerala State and Filmfare award winner for Thirakkatha, director of King Fish and Padma. Distinct from Anoop R. Menon and the Confianz CEO.

Anoop N Menon

Anoop N Menon, who publishes as Anoop N, is an Indian venture capital investor who joined Chiratae Ventures as Principal in 2021 and became Partner in August 2026, after co-leading Accenture Ventures in India.

Anoop Pradhan

Anoop Pradhan, also listed as Anoop Pradhan Valmiki, is an Indian politician of the Bharatiya Janata Party who has been the Lok Sabha member for Hathras, Uttar Pradesh, since 2024.

Anoop Shah

Anoop Shah is a Kenyan-born British cardiologist and epidemiologist, Professor of Cardiovascular Medicine at the London School of Hygiene & Tropical Medicine and a clinical cardiologist affiliated with Imperial College Healthcare NHS Trust.

Anopheles

Anopheles, the malaria mosquito genus established by Meigen in 1818, holds about 460 described species in seven subgenera; only around 60 transmit human malaria, recognized by 45-degree resting posture and siphon-less larvae.

Anophthalmia plus syndrome

Anophthalmia plus syndrome (Fryns microphthalmia syndrome, OMIM 600776) is a very rare autosomal-recessive multiple congenital anomaly syndrome with anophthalmia or severe microphthalmia, cleft lip/palate, facial clefts, and sacral neural tube defects; gene locus unidentified.

Anophthalmia/microphthalmia-esophageal atresia syndrome

Anophthalmia/microphthalmia-esophageal atresia syndrome, also called AEG syndrome or MCOPS3, is a rare autosomal dominant SOX2-related disorder combining absent or small eyes with esophageal atresia, affecting about 1 in 250,000 people.

Anophthalmic socket

Anophthalmic socket (ICD-11 9A25.0): the orbit remaining after eye removal or congenital absence, managed with orbital implants (PMMA, silicone, hydroxyapatite), prostheses, and reconstruction for contracture, exposure, and motility problems.

Anora (American film)

Anora is Sean Baker's 2024 American comedy-drama about Brooklyn sex worker Ani (Mikey Madison) who marries a Russian oligarch's son. It won the 2024 Palme d'Or and five Oscars including Best Picture.

Anorectal abscess

Anorectal abscess, a pus collection around the anus from blocked anal glands (cryptoglandular origin), treated by incision and drainage; recurrence up to 44% and fistula-in-ano in about 15% of patients.

Anorectal manometry

Anorectal manometry is a gastroenterology test measuring pressures and reflexes in the anal canal and rectum with a catheter to diagnose defecatory disorders and fecal incontinence.

Anorectic

Anorectic (appetite suppressant, anorexiant): weight-loss drug class, originally amphetamine-derived sympathomimetics like phentermine, later serotonergic agents (fenfluramine, withdrawn 1997) and GLP-1 drugs such as semaglutide.