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B-lymphoblastic lymphoma
B-lymphoblastic lymphoma (B-LBL) is a rare, aggressive cancer of immature B-cell precursors that forms solid masses in lymph nodes, skin, or bone, differing from B-cell acute lymphoblastic leukemia only by limited bone marrow involvement.
B-Lynch suture
The B-Lynch suture is a uterine compression suture developed by Christopher B-Lynch in 1997 that controls severe postpartum hemorrhage when drugs fail, avoiding hysterectomy and preserving fertility.
B-Method
The B-Method is a formal method for specifying, designing, and coding software by mathematical modeling, generating proof obligations that guarantee correctness; it underlies safety-critical systems like Paris Métro Line 14.
B-mode polarization
B-mode polarization is the curl-like, handed component of the cosmic microwave background's polarization, a distinctive fingerprint of primordial gravitational waves from inflation, with dust and lensing as contaminants.
B-Netz
The B-Netz (B-Network) was an analog mobile telephone network of West Germany, operated by the Deutsche Bundespost from 1972, replacing the manual A-Netz with automatic call setup.
B-plane
The B-plane, also called the aiming or target plane, is a coordinate plane used in interplanetary navigation to target where a spacecraft passes a planet.
B-Real
B-Real (Louis Mario Freese, born 1970) is the American rapper and nasal-voiced lead vocalist of Cypress Hill, the pioneering Latino-American hip-hop group from Los Angeles; also of Prophets of Rage, Serial Killers, and the Dr. Greenthumb's cannabis chain.
B-roll
B-roll (B roll, B-reel) is supplemental footage intercut with a video's main A-roll to cover cuts, establish scenes, and add variety; named for the second film reel, now sourced from shoots, stock, archives, or generative AI.
B-SAD
B-SAD (Belenenses SAD), Portuguese football club 2018–2024, Almada-based SAD split from C.F. Os Belenenses; four Primeira Liga seasons, Jamor home, dissolved 2024 into Desportivo Portalegrense SAD.
B-scan ocular ultrasonography
B-scan ocular ultrasonography is a two-dimensional, brightness-mode ultrasound technique that images the eye's interior, most often when cataract, hemorrhage, or corneal opacity prevents direct viewing.
B-screw
The B-screw, also called the B-tension screw, is an adjustment screw on a bicycle rear derailleur that sets the chain gap between the upper pulley and cassette cogs.
B-segment
The B-segment, also called supermini, is the European car class for small cars between city cars and compact family cars, like the Renault Clio and Ford Fiesta.
B-spline
A B-spline, named by Schoenberg as a shortening of basic spline, is a piecewise polynomial basis for spline spaces, standard in computer-aided design through NURBS and used in finite element analysis.
B-tagging
B-tagging is the identification of particle jets originating from bottom quarks in high-energy proton-proton collisions, central to LHC measurements of the Higgs boson and top quark and searches for new particles.
B-TEVAR trial
B-TEVAR (NCT01874197) is a University of Washington/Harborview investigator-initiated, single-center trial of Cook Medical branched and fenestrated-branched stent grafts for non-ruptured thoracoabdominal aortic aneurysms, enrolling an estimated 290 patients with 12-month Treatment Success as the primary endpoint.
B-tree
A B-tree is a balanced, multiway search tree in which nodes hold many keys and children, invented by Bayer and McCreight at Boeing in 1970 and standard in database indexes.
B-type main-sequence star
A B-type main-sequence star, or B dwarf, is a massive blue-white hydrogen-burning star of spectral type B, at roughly 10,000 to 28,000 K and 3 to 18 solar masses.
B-type star
A B-type star is a hot, blue-white star of spectral class B, with a surface temperature of roughly 10,000 to 30,000 K; Rigel and Spica are examples.
b-value
The b-value is the slope parameter in the Gutenberg–Richter law, which relates earthquake counts to magnitude; typically 0.8 to 1.2, it measures the ratio of small to large earthquakes.
B: the Beginning
B: the Beginning is a 2018 Netflix original anime by Production I.G, created and directed by Kazuto Nakazawa (originally titled Perfect Bones). Set in Cremona, it follows detective Keith Flick and Killer B; a second season, Succession, followed in 2021.
B. A. Baracus
B. A. Baracus (Sergeant Bosco Albert "Bad Attitude" Baracus) is The A-Team's mechanic, driver, and muscle, played by Mr. T on NBC 1983-1987; famous for his fear of flying, his customized 1983 GMC van, and catchphrases like "I pity the fool"; recast as Quinton "Rampage" Jackson in the 2010 film.
B. A. Schwetz
Bernard A. Schwetz was an American veterinary toxicologist who led the FDA's National Center for Toxicological Research from 1993 to 1999 and later served as Acting Deputy Commissioner.
B. B. King
B.B. King (Riley B. King, 1925–2015), Mississippi Delta electric blues guitarist and singer nicknamed Blues Boy at WDIA radio; famous for Lucille, his vibrato, "Three O'Clock Blues," "The Thrill Is Gone," 15 Grammys, and the Rock and Roll Hall of Fame.
B. C. Gowrishankar
B. C. Gowrishankar (ಬಿ.ಸಿ.ಗೌರಿಶಂಕರ್; 1950–2004) was an Indian Kannada cinematographer and director, six-time Karnataka State Film Award winner, known for Om, Mysore Mallige, and Pushpaka Vimana.
B. C. Janardhan Reddy
B. C. Janardhan Reddy is an Indian politician of the Telugu Desam Party who serves as an Andhra Pradesh minister holding the Roads & Buildings and Infrastructure & Investments portfolios.
B. C. Sanyal
B. C. Sanyal, born Bhabesh Chandra Sanyal, was an Indian painter, sculptor, and art educator who founded the Lahore School of Fine Arts and co-founded the Delhi Silpi Chakra.
B. Clark Burchfiel
B. Clark Burchfiel (1934–2024) was an American structural geologist and MIT professor who extended plate tectonics from oceans to continents, studying Tibet and winning the 2009 Penrose Medal.
B. D. Amin
B. D. Amin, born Bhailal Dajibhai Amin, was an Indian industrialist who co-founded Alembic Chemical Works at Vadodara in 1907, a pioneer of Indian pharmaceuticals.
B. D. Hyman
B. D. Hyman (Barbara Davis Sherry, born 1947) is Bette Davis's only biological child, author of the 1985 memoir My Mother's Keeper and the 1987 Pentecostal sequel Narrow Is the Way; Davis disinherited her and her sons.
B. Don Russell Jr.
B. Don Russell Jr. is an American electrical power engineer at Texas A&M University, elected to the National Academy of Engineering in 1999 for work on power system faults.