All articles starting with P
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Pulmonata
Pulmonata, the pulmonate or lung snails, is a former gastropod taxon of land, freshwater, and a few marine snails and slugs breathing via a vascularized mantle-cavity lung with a pneumostome; now an unaccepted concept within Heterobranchia, replaced by Panpulmonata.
Pulmonic valve disease in adults
Pulmonic valve disease in adults is narrowing (pulmonic stenosis) or leaking (pulmonary regurgitation) of the valve between the right ventricle and the pulmonary artery, usually congenital in origin.
Pulmonology
Pulmonology, also called pulmonary medicine or respiratory medicine, is the internal medicine subspecialty covering lung, airway, and chest wall disorders; pulmonologists treat asthma, COPD, ILD, and pulmonary hypertension and often direct ICUs.
Pulmonx
Pulmonx Corporation is a Redwood City, California medical technology company founded by Rodney Perkins in 1995 that makes the Zephyr Endobronchial Valve to treat severe emphysema.
Pulnovo Medical (Wuxi Pamu Medical)
Pulnovo Medical, known in Chinese as 帕母医疗, is a Chinese medical device company founded in Wuxi in 2013 that makes the PADN catheter system for treating pulmonary hypertension.
Pulocimab
Pulocimab (AK109) is a humanized IgG1 anti-VEGFR2 (KDR) monoclonal antibody by Akeso that blocks VEGF binding to inhibit tumor angiogenesis. In Phase 3 trials combined with cadonilimab and paclitaxel for gastric/G/GEJ adenocarcinoma; not yet approved.
Pulp (1972 film)
Pulp (1972) is a British satirical thriller by Mike Hodges, originally titled Memoirs of a Ghost Writer, starring Michael Caine as ghostwriter Mickey King and Mickey Rooney in Malta; a Get Carter follow-up shot in Malta to avoid Mafia interference.
Pulp (band)
Pulp: English rock band formed in Sheffield in 1978 by Jarvis Cocker, originally Arabicus Pulp. Breakthrough came with His 'n' Hers (1994) and the Mercury Prize-winning, UK number-one Different Class (1995); the band reunited in 2023 and topped the UK chart again with More (2025).
Pulp (paper)
Pulp, also known as paper pulp or cellulose pulp, is a watery suspension of plant fibers and the primary raw material for making paper and paperboard.
Pulp (tooth)
Dental pulp is the soft connective tissue at the center of a tooth, containing nerves, blood vessels, and odontoblasts; it makes dentin, senses stimuli, and is treated by vital pulp therapy or root canal treatment when inflamed.
Pulp abscess
A pulp abscess is an acute collection of pus associated with the dental pulp, arising after root canal therapy or in a tooth with a dead pulp.
Pulp and paper industry
The pulp and paper industry converts wood and recovered paper into pulp, packaging, tissue, and paper, with about 4,500 mills worldwide producing 165 million tonnes of pulp a year.
Pulp capping
Pulp capping, also known as direct pulp capping, is an endodontic dental procedure in which a biomaterial is placed over exposed dental pulp to preserve its vitality.
Pulp degeneration
Pulp degeneration (ICD-11 DA09.4) covers non-inflammatory pulp changes: fibrous atrophy with aging and calcific forms including pulp stones and calcific metamorphosis after trauma; calcification alone does not require root canal treatment.
Pulp Fiction
Pulp Fiction is a 1994 American crime film written and directed by Quentin Tarantino, interweaving three stories of hitmen, a boxer, and a gangster's wife in Los Angeles.
Pulp Fiction (soundtrack)
Pulp Fiction (soundtrack), the 1994 album for Quentin Tarantino's film, is a mixtape-style compilation of pre-existing surf rock, soul, and pop with dialogue snippets, famous for "Misirlou" and "You Never Can Tell".
Pulp magazine
A pulp magazine was a cheap fiction magazine printed on wood-pulp paper that flourished in the United States from the 1890s to the early 1950s, launching writers like Raymond Chandler and Dashiell Hammett.
Pulp therapy
Pulp therapy is the set of dental procedures for treating the pulp of a tooth affected by deep decay or trauma, including pulp capping and pulpotomy to preserve pulp vitality.
Pulpectomy
Pulpectomy is an endodontic procedure that removes the entire inflamed or necrotic pulp from a tooth's root canals, the standard non-vital pulp therapy for primary teeth.
Pulpex Limited
Pulpex Limited, also known as New Gen Sustainability Company Limited, is a British sustainable packaging company. It was spun out of Diageo in 2020 to create paper bottles.
Pulpotomy
A pulpotomy is a vital pulp therapy in dentistry that removes inflamed coronal pulp tissue from a tooth while leaving the radicular pulp within the roots alive.
Pulque
Pulque (octli) is Mexico's traditional fermented agave-sap drink, made from aguamiel of pulque magueys like Agave salmiana in central Mexico, with 4–9% alcohol, a 24-hour fermentation, pre-Hispanic ritual origins, and current production led by Hidalgo, distinct from distilled tequila and mezcal.
PULS (rocket launcher)
PULS, short for Precise and Universal Launching System, is an Elbit Systems multiple rocket launcher with two interchangeable pods firing rockets and missiles up to 300 km.
Pulsar
A pulsar is a rapidly rotating neutron star whose beams of radiation sweep past Earth as highly regular pulses, discovered by Jocelyn Bell Burnell in 1967.
Pulsar clock
A pulsar clock is a timekeeping reference that uses the regular pulses of rotating neutron stars as its tick; millisecond pulsars rival the stability of the best atomic clocks.
Pulsar magnetosphere particle acceleration
Pulsar magnetosphere particle acceleration is the process by which a rotating neutron star converts spin-down power into energetic electrons and positrons that radiate radio, X-ray, and gamma-ray emission.
Pulsar planet
A pulsar planet is a planet orbiting a pulsar, a rapidly rotating neutron star. The first confirmed extrasolar planets were pulsar planets, announced in 1992 around PSR B1257+12.
Pulsar timing
Pulsar timing is an observational astronomy method that measures the arrival times of radio pulses from pulsars, probing neutron star structure and testing general relativity.
Pulsar timing array
A pulsar timing array is a set of millisecond pulsars whose precisely measured pulse times act as a galaxy-scale detector for nanohertz gravitational waves, which interferometers like LIGO cannot reach.
Pulsar wind nebula
A pulsar wind nebula (PWN) is a cloud of relativistic particles around a pulsar, powered by its wind and shining in X-rays and gamma rays; the Crab Nebula is the best-known example.