All articles starting with P
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Portal 2
Portal 2 (2011) is Valve's first-person puzzle-platform sequel to Portal, set in Aperture Science with GLaDOS and Chell. Released April 18-19, 2011 on PC, Mac, PS3, and Xbox 360; Metascore 95; co-op campaign; Puzzle Creator editor; Steam Workshop modding.
Portal fantasy
Portal fantasy is a fantasy subgenre in which a protagonist from the ordinary world crosses through a gateway, such as a wardrobe or rabbit-hole, into a magical other world.
Portal frame
A portal frame is a low-rise structural frame of columns and rafters joined by moment-resisting connections, spanning clear widths in warehouses and industrial buildings without internal bracing.
Portal hypertension
Portal hypertension is elevated blood pressure in the portal venous system, the veins carrying blood from the digestive organs to the liver, most often a complication of cirrhosis.
Portal hypertensive gastropathy
Portal hypertensive gastropathy (PHG), congestive gastropathy, ICD-11 DA43.3: gastric mucosal changes of portal hypertension with a mosaic snakeskin endoscopic pattern in fundus and body; treated with beta-blockers, TIPS, or transplant.
Portal imaging
Portal imaging, also called electronic portal imaging, acquires images using the radiotherapy treatment beam itself, captured by an electronic portal imaging device to verify patient positioning and delivered dose.
Portal method
The portal method is an approximate hand method of structural analysis, presented by A. Smith in 1915, that determines forces in building frames under lateral loads such as wind and earthquakes.
Portal North Bridge
The Portal North Bridge is a railroad bridge under construction over the Hackensack River in New Jersey, replacing the 1910 Portal Bridge as part of the Gateway Program.
Portal protein Gp10
Portal protein Gp10 (InterPro IPR008016) is the dodecameric connector/portal protein of bacteriophage phi29, first atomic structure of a DNA-packaging machine component (PDB 1FOU, 3.2 Å); distinct from P22's tail factor gp10.
Portal Revolution
Portal: Revolution is a free, community-made prequel mod for Portal 2 by Second Face Software, released on Steam January 6, 2024; 40+ chambers, 5–8 hours, Strata Source engine, Overwhelmingly Positive reviews, sequel announced.
Portal vein
Portal vein (hepatic portal vein): large vein formed by the splenic and superior mesenteric veins, carrying about 75% of liver blood flow; divides into right and left branches, with variants in 20–35% of people, and prone to portal vein thrombosis.
Portal vein embolization
Portal vein embolization is a percutaneous radiology procedure that blocks portal vein branches to the liver segments to be resected, causing the future liver remnant to grow before major hepatectomy.
Portal vein resection
Portal vein resection is the en-bloc removal of a portal vein or superior mesenteric vein segment during pancreatic surgery, followed by reconstruction to restore blood return.
Portal vein thrombosis
Portal vein thrombosis (PVT) is clot formation in the portal vein, affecting about 1% of the population and up to 25% of decompensated cirrhosis patients; classified as recent or chronic, treated with anticoagulation, DOACs, or TIPS.
Portalian Regime
The Portalian Regime (Régimen portaliano) is the name historians give to the Conservative system imposed on Chile after the 1829–1830 civil war, led by Diego Portales.
Portamento
Portamento (port.), from Italian portare "to carry," is a smooth audible glide between two pitches used in singing and string playing, classified into string types like B/L/S slides, and implemented on synthesizers via mono-mode glide time, notably in sliding 808 bass.
Portchester Castle (United Kingdom)
Portchester Castle, Hampshire: medieval castle within the walls of Portus Adurni, a late 3rd-century Roman Saxon Shore fort; the best-preserved Roman fort north of the Alps, later a Saxon burh, royal residence, and Napoleonic prisoner-of-war depot.
Portcullis
A portcullis is a heavy grille of wood and metal, often weighing a tonne, lowered by chains from a chamber above to block a castle's gate passage.
Portea Medical
Portea Medical is an Indian home-healthcare company founded in Bengaluru in 2013 by Meena Ganesh, K Ganesh, and Dr. Manjusha Anumolu, delivering nursing, doctor visits, and elder care at home.
Porter (beer)
Porter is a dark, well-hopped beer style that developed from London brown beer around 1720, named for the porters who drank it. It powered the first industrial-scale breweries, spawned stout as a stronger variant, declined after World War I, and revived in craft brewing.
Porter (company)
Porter, legally SmartShift Logistics Solutions, is an Indian on-demand logistics platform founded in Bengaluru in 2014, serving small businesses with mini trucks, two-wheelers, and three-wheelers.
Porter (Martian crater)
Porter crater, Mars: IAU-approved 105 km impact crater at 50.47°S, 246.10°E, named for Russell W. Porter (1973); HiRISE shows a central peak with gullies, RSL candidates, and active dunes.
Porter Airlines
Porter Airlines is a Canadian regional airline founded by Robert Deluce in 2006, based at Billy Bishop Toronto City Airport, known for complimentary drinks and no middle seats.
Porter County
Porter County, Indiana: county in northwestern Indiana with county seat Valparaiso, established January 28, 1836 and named for Commodore David Porter; home to Indiana Dunes National Park and State Park; population 173,215 (2020).
Porter Martone
Porter Martone, Canadian right wing from Peterborough, Ontario; Brampton Steelheads captain (98 OHL points in 2024-25), sixth overall pick of the 2025 NHL Draft by Philadelphia, Michigan State rookie of the year, and Canada's 2026 World Juniors captain.
Porter Moser
Porter Moser (born 1968) is an American college basketball coach, Oklahoma's head men's coach since 2021 and formerly of Loyola Chicago, Illinois State, and Little Rock; career 388-317, 2018 Final Four with Loyola.
Porter Robinson
Porter Robinson, also known as Virtual Self and formerly Ekowraith, is an American electronic producer born 1992 in Atlanta. Known for complextro, the 2012 hit "Language," the 2014 album Worlds, Nurture (2021), and SMILE! :D (2024); he shaped but did not invent future bass.
Porter Stansberry
Porter Stansberry, full name Frank Porter Stansberry, is an American financial newsletter publisher who founded Stansberry Research in 1999 and, after leaving in 2020, founded Porter & Co.
Porter W Anderson, Jr.
Porter W Anderson, Jr. is an American microbiologist who developed the Hib conjugate vaccine, credited with cutting US Hib disease by 99 percent; he won the 1996 Lasker Award.
Porter Wagoner
Porter Wagoner (1927–2007), American country singer and Grand Ole Opry member known as the Thin Man from West Plains; hosted The Porter Wagoner Show (1960–1981), recorded duets with Dolly Parton, Hall of Fame 2002.