All articles starting with P
28,818 articles
Procolobus
Procolobus is a genus of African colobine monkeys, today monotypic with only the olive colobus Procolobus verus; it formerly included the red colobus as subgenus Piliocolobus, its sister group.
Proconsul
Proconsul: extinct early Miocene East African primate genus (about 20-17 Ma), named by Hopwood in 1931; famous 1948 Rusinga skull found by the Leakeys; monkey-like arboreal quadruped usually treated as a stem ape.
Procopius (Προκόπιος)
Procopius (Προκόπιος) of Caesarea, ca. 500–ca. 560, Byzantine historian and secretary to Belisarius; author of the Wars, Buildings, and the Secret History attacking Justinian and Theodora.
Procorazonin
Procorazonin (preprocorazonin) is the precursor protein of corazonin, an 11-amino-acid insect neurohormone first isolated from cockroach corpora cardiaca in 1989; it encodes corazonin plus a signal peptide and CPRP, and belongs to the AKH/ACP/GnRH-related peptide family.
Procore
Procore Technologies is an American company providing cloud-based construction management software connecting owners, contractors, architects, and engineers; it was founded in 2002 and went public in 2021.
Procrastination
Procrastination is the voluntary, unnecessary delay of intended tasks despite expecting negative consequences. Also called dysfunctional delay; affects up to 20% of adults and 50% of students; CBT shows moderate treatment effects.
Procreate (software)
Procreate is a raster graphics editor app for digital painting and drawing, developed by Savage Interactive for iPad and iPhone. Launched in 2011, it is sold as a one-time purchase and built around the Apple Pencil.
Procrustes (Προκρούστης)
Procrustes (Προκρούστης), also Damastes or Polypemon, the Eleusis bandit of Greek myth who stretched or mutilated guests to fit his bed and was slain by Theseus; source of the Procrustean bed idiom and Procrustes analysis.
Procrustes analysis
Procrustes analysis is a statistical method that optimally superimposes one set of points onto another by translation, rotation, reflection, and scaling, yielding the Procrustes distance between shapes.
PROCT domain
PROCT domain (IPR012984), also NUC072, Pfam PF08084: the C-terminal conserved domain of Prp8 pre-mRNA splicing factors, detected alongside PRO8NT and snRNA-binding domains in eukaryotic spliceosomal proteins.
Proctalgia fugax
Proctalgia fugax is a functional anorectal pain disorder causing sudden, brief (seconds to 30 minutes) severe anal or rectal pain with symptom-free intervals, affecting roughly 3-18% of people, twice as often women; treated mainly with reassurance and warm sitz baths.
Proctectomy
Proctectomy is an operation to remove all or part of the rectum, most often for middle or low rectal cancer and also for inflammatory bowel disease.
Procter & Gamble
Procter & Gamble, also known as P&G, is an American consumer goods company whose brands include Tide, Pampers, Gillette, and Crest, with $87 billion in fiscal 2026 sales.
Proctitis
Proctitis is inflammation of the rectal mucosa within 20 cm of the anal verge, caused mainly by IBD, sexually transmitted infections, and pelvic radiation; treated by cause with antibiotics, 5-ASA, or ablation.
Proctophyllodidae
Proctophyllodidae is a family of astigmatan feather mites (Analgoidea) with 400+ species, permanent symbionts of mainly passerine birds, split into Proctophyllodinae and Pterodectinae, with Gondwanan origins and five independent origins of extremely long aedeagi.
Proctor
Proctor, from Latin procurator: English legal practitioner with exclusive audience in ecclesiastical and admiralty courts until the Judicature Acts 1873–1875; also the King's Proctor, US admiralty lawyers, and Oxford and Cambridge disciplinary officers.
Proctor compaction test
A laboratory geotechnical test, developed by R. R. Proctor in 1933, that determines a soil's maximum dry unit weight and optimum moisture content for earthwork compaction.
Proctoscopes
Proctoscopes (also rectoscopes) are rigid endoscopes for visual examination of the rectum and anus, about 25 cm long with a light and lens; used in proctoscopy, biopsy, hemorrhoid treatment, and rectal cancer localization.
Proctoscopy
Proctoscopy is an endoscopic examination in which a lighted rigid tube, the proctoscope, is inserted through the anus to inspect the rectum, taking 5 to 15 minutes.
Procura da poesia
"Procura da poesia" ("Search for poetry") is a 1945 ars poetica by Brazilian poet Carlos Drummond de Andrade, published in the collection A rosa do povo at the end of World War II.
Procurator General of the Senate
The Procurator General of the Senate (генерал-прокурор Сената) was the senior supervising official of the Russian Empire, created by Peter I in 1722 to watch over the legality of the Senate and administration.
Procurement
Procurement is the process of acquiring and managing an organization's supply inputs, broader than purchasing; public procurement was 12.7% of GDP across the OECD in 2023.
Procuring (prostitution)
Procuring (prostitution) is the offense of recruiting or facilitating another person's prostitution, historically targeting third parties. Covers England's 1885 CLAA origins, France's 1946 Marthe Richard law, US 18 USC 2422, and regime comparisons.
Procyclidine
Procyclidine (Kemadrin, Arpicolin) is a tertiary amine antimuscarinic anticholinergic drug, ATC N04AA04, first approved in 1955, used for Parkinson's disease and neuroleptic-induced extrapyramidal symptoms; given orally as 5 mg tablets with about 75% bioavailability.
Procymidone
Procymidone, also sold as Sumilex, is a dicarboximide fungicide developed by Sumitomo Chemical and introduced in 1977, one of three key dicarboximides with iprodione and vinclozolin.
Procyon
Procyon (Alpha Canis Minoris) is the brightest star of Canis Minor, a binary system 11.46 light years away whose F5 subgiant is orbited by the white dwarf Procyon B.
Procyon (genus)
Procyon is the raccoon genus of the family Procyonidae, containing the northern raccoon (Procyon lotor), crab-eating raccoon (P. cancrivorus), and the critically endangered Cozumel pygmy raccoon (P. pygmaeus); molecular phylogeny pairs Procyon with Bassariscus.
Procyonidae
Procyonidae, the raccoon family, is a New World caniform carnivoran family of 14 species: raccoons, coatis, olingos, olinguito, kinkajou, ringtail, cacomistle. Molecular phylogeny pairs olingos with coatis and ringtails with raccoons, sister to Mustelidae.
Procyrion, Inc.
Procyrion, Inc. is a privately held, Houston-based clinical-stage medical device company developing Aortix, an investigational catheter-deployed blood pump for heart failure, spun out in 2010.
PROD (seafloor drill)
PROD (Portable Remotely Operated Drill) is a robotic seabed drilling and geotechnical testing system developed in Sydney, Australia, operated commercially by Benthic Geotech since the late 1990s.