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All articles starting with P

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Pitts Special

The Pitts Special is a family of small aerobatic biplanes designed by Curtis Pitts, first flown in the mid-1940s and built by amateurs from plans since 1962.

Pittsburgh

Pittsburgh, Pennsylvania: city at the Allegheny-Monongahela-Ohio confluence, once the US steel capital (half of national output by 1911), now an Eds and Meds economy of 307,632 people (2025).

Pittsburgh compound B

Pittsburgh compound B (PiB, [11C]6-OH-BTA-1) is a carbon-11 PET radiotracer developed by Mathis and Klunk at the University of Pittsburgh from thioflavin T; first used in humans in 2002, it images beta-amyloid plaques and serves as the reference standard for amyloid PET tracers.

Pittsburgh Courier

The Pittsburgh Courier was an African American weekly newspaper published in Pittsburgh from 1907, which grew into one of the most influential and largest Black newspapers in the United States.

Pittsburgh crime family

The Pittsburgh crime family, also called the LaRocca or LaRocca/Genovese family, is the Pittsburgh-based La Cosa Nostra organization of western Pennsylvania, shaped by Prohibition, the Youngstown war with the Cleveland Mafia, and a 1990 federal racketeering conviction of nine defendants.

Pittsburgh Dad

Pittsburgh Dad is a YouTube comedy web series created in 2011 by Curt Wootton and Chris Preksta, starring Wootton as a blue-collar Pittsburgh father speaking exaggerated Pittsburghese (yinz, n'at), inspired by Wootton's own father and later expanded into a book and NFL commentary.

Pittsburgh International Airport

Pittsburgh International Airport (PIT) is the commercial airport serving Pittsburgh, Pennsylvania, opened in 1952 as Greater Pittsburgh Airport and rebuilt around a midfield terminal in 1992.

Pittsburgh Light Rail

The Pittsburgh Light Rail, branded the T, is a 26-mile light rail system serving Pittsburgh and its southern suburbs, run by Pittsburgh Regional Transit on the Red, Blue, and Silver lines.

Pittsburgh Panthers football

Pittsburgh Panthers football: University of Pittsburgh NCAA Division I FBS team in the ACC, also called Pitt Panthers. Nine claimed national titles (1915-1976), 2021 ACC champions, home at Acrisure Stadium since 2001, coached by Pat Narduzzi.

Pittsburgh Penguins

Pittsburgh Penguins, NHL ice hockey team (Metropolitan Division, Eastern Conference), founded 1967-68 expansion. Five Stanley Cups (1991, 1992, 2009, 2016, 2017); home PPG Paints Arena; owned since June 2026 by Hoffmann Family of Companies.

Pittsburgh Pirates

Pittsburgh Pirates, MLB National League Central franchise; began as the Pittsburgh Alleghenys (1876/1882), named Pirates in 1891 after signing Lou Bierbauer; five World Series titles era began 1909; play at PNC Park since 2001.

Pittsburgh Sleep Quality Index

The Pittsburgh Sleep Quality Index (PSQI) is a 19-item self-report questionnaire measuring sleep quality and disturbances over the past month, introduced by Daniel J. Buysse and colleagues in 1989.

Pittsburgh Steelers

Pittsburgh Steelers, NFL team founded July 8, 1933 by Art Rooney Sr., also called the Pirates until 1940; six Super Bowls (tied with Patriots), 1970s dynasty under Chuck Noll, Immaculate Reception, Mike McCarthy head coach from 2026.

Pittsburgh Supercomputing Center

The Pittsburgh Supercomputing Center (PSC) is a joint supercomputing center of Carnegie Mellon University and the University of Pittsburgh, established in 1986 as one of the original NSF-funded supercomputing centers.

Pittsburgh synagogue shooting

The Pittsburgh synagogue shooting: Robert Bowers killed 11 worshippers at the Tree of Life synagogue in Squirrel Hill on October 27, 2018, using an AR-15 and handguns; convicted of federal hate crimes and sentenced to death in 2023.

Pittsburgh Tribune-Review

Pittsburgh Tribune-Review (the Trib), Western Pennsylvania newspaper from Greensburg, now TribLIVE.com under Trib Total Media; Pittsburgh print ended 2016, weekend edition revived May 2026.

Pittsburgh, PA Metro Area

Pittsburgh, PA Metro Area (CBSA 38300): eight-county OMB metropolitan statistical area in southwestern Pennsylvania, 28th largest U.S. metro with 2,421,992 residents in 2025; former steel heartland now centered on healthcare, universities, and technology.

Pittsfield, Massachusetts

Pittsfield, Massachusetts: largest city and county seat of Berkshire County, founded as Pontoosuck Plantation, incorporated 1761/1891, former GE transformer hub, now a Berkshires cultural center of about 43,000 people.

Pittwater

Pittwater is a tide-dominated drowned river valley estuary north of Sydney, NSW, connected to the Hawkesbury River; 18.4 km², average depth 9.9 m, named by Governor Phillip in 1788, formerly governed by Pittwater Council (1992–2016).

Pitty pat

Pitty pat, the national card game of Belize, is a rummy-related rank-matching shedding game for 2-4 players with five cards each; first to form three pairs and empty their hand wins. Not the Pit trading game or Pit-Pat billiards.

Pitu Guli

Pitu Guli (Питу Гули) was a Vlach revolutionary and cheta commander of VMORO, known for dying in the 1903 defense of Krushevo during the Ilinden Uprising.

Pituffik Space Base

Pituffik Space Base, formerly Thule Air Base, is the US Space Force's northernmost installation, in northwest Greenland 1,200 km above the Arctic Circle, operating AN/FPS-132 missile-warning radar, space surveillance, and satellite control under the 1951 US-Denmark defense agreement.

Pituicyte

A pituicyte is a specialized glial cell of the neurohypophysis, the posterior pituitary, where it regulates the release of oxytocin and vasopressin into the bloodstream.

Pituicytoma

Pituicytoma, also called granular/oncocytic/ependymal pituicytoma in WHO 2022 grouping, is a rare low-grade TTF-1-positive glial tumor of pituicytes of the posterior pituitary, causing visual loss, headache, and hypopituitarism; cured by resection.

Pituitary abscess

Pituitary abscess: a rare pus collection in the pituitary gland or sella turcica, under 1% of pituitary lesions; primary or secondary; headache and visual loss; treated by transsphenoidal drainage plus antibiotics.

Pituitary adenoma

Pituitary adenoma, also called pituitary neuroendocrine tumor (PitNET) under the 2022 WHO classification, is a benign anterior pituitary tumor; classified by size (micro/macro) and hormone secretion, treated with transsphenoidal surgery, dopamine agonists, or radiotherapy.

Pituitary adenoma resection

Pituitary adenoma resection is a neurosurgical operation that removes a pituitary adenoma, usually through the nasal cavity and sphenoid sinus, most often by endoscopic transsphenoidal surgery.

Pituitary adenylate cyclase-activating peptide

Pituitary adenylate cyclase-activating peptide (PACAP), also called pituitary adenylate cyclase-activating polypeptide, is a neuropeptide isolated from sheep hypothalamus in 1989 and implicated in migraine and stress responses.

Pituitary apoplexy

Pituitary apoplexy, also called pituitary infarction or pituitary tumor apoplexy, is sudden hemorrhage or infarction of the pituitary gland, usually within an adenoma, causing severe headache, visual loss, and adrenal crisis treated with hydrocortisone.

Pituitary carcinoma

Pituitary carcinoma, now termed metastatic pituitary neuroendocrine tumor (metastatic PitNET), is a rare anterior pituitary malignancy defined by craniospinal or systemic metastasis, usually ACTH- or prolactin-producing, treated with surgery, radiotherapy and temozolomide.