All articles starting with P
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Para-cycling classification
Para-cycling classification is the UCI system grouping cyclists with physical or vision impairments into C, T, B, and H divisions, with lower sport class numbers indicating more severe impairment.
Para-equestrian
Para-equestrian is the branch of equestrian sport for riders with disabilities, governed by the FEI since 2006. It comprises para dressage, a Paralympic sport since 1996, and para driving.
Para-equestrian classification
Para-equestrian classification assigns riders with physical or vision impairments to five FEI Grades, I to V, based on muscle power, joint range, and coordination, determining gait and test difficulty in Para dressage.
Para-equestrian dressage
Para-equestrian dressage (Para Dressage) is the only equestrian Paralympic sport, contested since Atlanta 1996 under FEI governance, with riders in five impairment grades (I–V) using approved compensating aids in Individual, Team, and Freestyle tests.
Para-hydroxybenzoic acid efflux pump subunit AaeB/fusaric acid resistance protein
AaeB (formerly YhcP) is the E. coli inner-membrane transporter of the AaeAB aromatic carboxylic acid efflux pump, exporting pHBA, 6-hydroxy-2-naphthoic acid, and 2-hydroxycinnamate; its InterPro family also covers bacterial fusaric acid resistance proteins such as FusC.
Para-Methoxy-N-methylamphetamine
Para-methoxy-N-methylamphetamine (PMMA), also known as 4-methoxymethamphetamine, is a ring-substituted amphetamine derivative sold illicitly as ecstasy and known as "Death", substantially more toxic than MDMA and linked to fatal poisoning outbreaks worldwide.
Para-Methoxyamphetamine
Para-Methoxyamphetamine (PMA, 4-MA, 'death') is a toxic methoxylated amphetamine sold illicitly as fake ecstasy; a serotonin releaser and MAO-A inhibitor causing fatal hyperthermia, Schedule I under the 1971 UN Convention.
Para-Nordic skiing classification
Para-Nordic skiing classification (Para cross-country and Para biathlon) assigns eligible athletes with physical or vision impairments to 15 sport classes, LW2-12 and NS1-3, governed by FIS since 2022.
Para-selective C–H borylation
Para-selective C–H borylation is an iridium-catalyzed reaction that installs a boronate group at the arene position opposite the existing substituent, overriding the usual steric preference for meta.
Para-snowboarding classification
Para-snowboarding classification, also called SB-LL1, SB-LL2, SB-UL classes, is FIS's system grouping Para snowboarders by impairment. One Standing category, three classes, Minimum Impairment Criteria, Athlete Evaluation by medical classifiers since the 2014-15 class split.
Para-swimming classification
Para-swimming classification is the World Para Swimming/IPC system grouping eligible athletes into classes S1–S10 (physical), S/SB11–13 (vision) and S/SB14 (intellectual), with S, SB and SM prefixes for strokes and medley, lower numbers meaning more severe impairment.
para-Toluenesulfonamide injection (PTS)
Para-toluenesulfonamide injection (甲苯磺酰胺注射液, PTS, brand 普罗仙安/PTS-302) is a chemical class 1 intratumoral chemical ablation drug approved in China on 15 November 2022 for severe airway obstruction in central NSCLC, given by bronchoscopic tumor injection.
Parabe/Eko Oil and Gas Field
The Parabe/Eko Oil and Gas Field is an operating conventional oil and gas field offshore Nigeria on the Niger Delta continental shelf, operated by Chevron Nigeria Limited with NNPC.
Parabellum
Parabellum is the name shared by the German Luger pistol, adopted in 1908, and the 9×19mm cartridge created for it, now the world's most widespread military handgun round.
Parabellum (group)
Parabellum was a Colombian extreme metal band from Medellín, active in the 1980s, regarded as Colombia's first extreme metal band and pioneer of ultra metal.
Paraben
Parabens are a family of esters of para-hydroxybenzoic acid used widely as antimicrobial preservatives in cosmetics, pharmaceuticals, and food and beverage processing since the mid-1920s, with methylparaben, ethylparaben, propylparaben, and butylparaben the most common.
Parabilis Medicines (formerly FogPharma)
Parabilis Medicines, formerly FOG Pharmaceuticals, is a Cambridge, Massachusetts biopharmaceutical company developing Helicons, stabilized helical peptides that target proteins considered undruggable; its lead drug is zolucatetide.
Parabiosis
Parabiosis is a surgical technique that joins two living animals, typically mice, into a shared blood circulation, letting researchers test how blood factors change aging and regeneration.
Parable
A parable (Greek parabolē, Hebrew mashal) is a short realistic story with human characters that teaches a moral or spiritual lesson through comparison; distinct from the fable's talking animals, though modern scholarship questions that boundary.
Parable of the broken window
The parable of the broken window, also called the broken window fallacy, is Frédéric Bastiat's 1850 argument that destruction is not a net stimulus to the economy.
Parable of the Good Samaritan
The Parable of the Good Samaritan is Jesus' story in Luke 10:25–37 in which a Samaritan helps a wounded traveler whom a priest and a Levite ignore.
Parable of the Lost Sheep
The Parable of the Lost Sheep, also called the Lost Sheep parable, is a parable of Jesus in Matthew 18:12–14 and Luke 15:3–7, also in the Gospel of Thomas.
Parable of the Mustard Seed
The Parable of the Mustard Seed is a parable of Jesus comparing the kingdom of God to a mustard seed that grows into a great plant.
Parable of the Pearl
The Parable of the Pearl, also the Pearl of Great Price, is a two-verse parable of Jesus in Matthew 13:45–46 about a merchant who sells everything for one pearl.
Parable of the Prodigal Son
The Parable of the Prodigal Son is a parable of Jesus in Luke 15:11–32 about a son who squanders his inheritance and is joyfully welcomed home.
Parable of the Sower
The Parable of the Sower is a parable of Jesus in which scattered seed falls on a path, rocks, thorns, and good soil, with different results.
Parable of the Sower (novel)
Parable of the Sower is Octavia E. Butler's 1993 dystopian novel set in 2020s California, where Lauren Olamina founds the Earthseed religion built on God is Change; sequel Parable of the Talents, awards, and adaptations distinguish it.
Parable of the Ten Virgins
The Parable of the Ten Virgins, also called the wise and foolish virgins, is a parable of Jesus in Matthew 25:1–13 in which five unprepared virgins are shut out of the wedding feast.
Parable of the Workers in the Vineyard
The Parable of the Workers in the Vineyard, also called Laborers in the Vineyard, is a parable of Jesus in Matthew 20:1–16 in which all workers receive the same pay.
Parablechnum
Parablechnum C.Presl is a fern genus in Blechnaceae, the family's most diverse with about 65 species, pantropical with Neotropical and Australasian centers; dimorphic 1-pinnate fronds, resurrected by Gasper et al. 2016.