| | - pectoral
- (from the article "jewelry") The concept of symmetry was utilized on the small pectoral or pendant (3.3 × 2.4 ...
- pectoral fin
- (from the article "skeleton") The pectoral fin of the elasmobranchs possesses basal cartilages that articulate with the pectoral girdle. ...
- pectoral girdle
- (from the article "muscle") In tetrapods, unlike fishes, the pectoral girdle does not have a solid bony connection to ...
- pectoralis major
- (from the article "pectoralis muscle") any of the muscles that connect the front walls of the chest with the bones ...
- pectoralis minor
- (from the article "pectoralis muscle") ...rotation of the arm forward about the axis of the body. When the raised arms ...
- pectoralis muscle
- any of the muscles that connect the front walls of the chest with the bones ... [3 Related Articles]
- pectus excavatum
- a chest deformity caused by depression of the breastbone, or sternum. Pectus excavatum is generally ...
- peculiar motion
- (from the article "Milky Way Galaxy") ...of space. To solve for solar motion, two assumptions are made. The first is that ...
- peculium
- (from the article "slavery") ...Ch'ing China, medieval Spain, and the northern Nigerian emirates, slaves had the right of property ...
- peculium castrense
- (from the article "patria potestas") By classical times, the father's power of life and death had shrunk to that of ...
- ped
- (from the article "soil") Aggregates of soil particles whose formation has not been influenced by human intervention are called ...
- pedagogy
- study of teaching methods, including the aims of education and the ways in which such ... [19 Related Articles]
- pedal
- (from the article "bicycle") The word bicycle came into use in Europe in 1868 to replace the cumbersome
- pedal
- (from the article "keyboard instrument") Unlike their Austrian and German counterparts, English pianos had two or, at most, three pedals. ...
- pedal disk
- (from the article "sea anemone") ...at the upper end of the body is surrounded by petal-like tentacles, which are often ...
- pedal harp
- musical instrument in which pedals control a mechanism raising the pitch of given strings by ... [1 Related Articles]
- pedal locomotion
- (from the article "locomotion") In pedal locomotion, which is a slow, continuous gliding that is superficially indistinguishable from ciliary ...
- pedal point
- in music, a tone sustained through several changes of harmony that may be consonant or ...
- pedal retractor muscle
- (from the article "bivalve") ...gastropods, does not have a flat creeping sole but is bladelike (laterally compressed) and pointed ...
- pedalboard
- (from the article "organ") ...with each pipe corresponding to one key on the keyboard, or manual. Organs usually possess ...
- pedalfer
- (from the article "China") ...two classifications. Generally speaking, the soils north of the Qin Mountains-Huai River line are pedocals ...
- Pedaliaceae
- (from the article "Lamiales") Pedaliaceae, or the sesame family, is a small family of 13 genera and 70 species. ...
- Pedder, Lake
- (from the article "Gordon River") The first stage of the Gordon River hydroelectric project was completed in 1978; Gordon Dam ...
- pederasty
- (from the article "pedophilia") ...of sexual offenses. In general, the younger the child and the greater the disparity in ...
- Pedernales
- city, southwestern Dominican Republic, on the Caribbean coast just across from Anse-a-Pitre, Haiti. It was ...
- Pedersen conductivity
- (from the article "geomagnetic field") The electrical conductivity parallel to the electric field in the Earth's ionosphere is referred to ...
- Pedersen, Carl-Henning
- Danish artist was a significant figure in the short-lived (1949-51) but influential COBRA (an ...
- Pedersen, Charles J.
- American chemist who, along with Jean-Marie Lehn and Donald J. Cram, was awarded the 1987 ...
- Pedersen, Christiern
- Danish humanist who was among the first to rediscover Denmark's national literary and historical heritage ...
- Pedersen, Hilde
- (from the article "The XX Olympic Winter Games") ...of China to 54-year-old American Scott Baird, who shared the silver medal won by the ...
- Pedersen, Holger
- Danish linguist of exceptional accomplishment, especially in comparative Celtic grammar. [3 Related Articles]
- Pedersen, Johannes Peder Ejler
- Danish Old Testament scholar and Semitic philologist, important for his conception of Israelite culture and ...
- Pedersen, Maya
- (from the article "Bobsleigh, Skeleton, and Luge") ...Hollingsworth-Richards gained the World Cup title after finishing on the podium in every race during ...
- Pedersen, Terje
- (from the article "athletics") ...record by 6.22 metres, finally reaching 77.23 metres (253 feet 4.5 inches) in 1936. As ...
- pedestal
- in Classical architecture, support or base for a column, statue, vase, or obelisk. Such a ...
- pedestal crater
- (from the article "Mars") ...of craters-huge impact basins; large, partially filled craters with shallow, flat floors and eroded rims; ...
- Pedetes
- (from the article "spring hare") ...which was recently placed, along with anomalures, in a separate suborder of rodents, Anomaluromorpha. The ...
- Pedetidae
- (from the article "spring hare") ...or rats and mice (family Muridae). However, most specialists now agree that the spring hare ...
- Pedi
- a Bantu-speaking people inhabiting Limpopo province, South Africa, and constituting the major group of the ... [5 Related Articles]
- pediatrics
- medical specialty dealing with the development and care of children and with the diagnosis and ... [4 Related Articles]
- pedicab
- three-wheeled vehicle with a hooded carriage body balanced on two of the wheels. The body ...
- pedicel
- (from the article "spider") ...(except the primitive suborder Mesothelae) differ from other arachnids in lacking external segmentation of the ...
- pedicel
- (from the article "inflorescence") In a raceme a flower develops at the upper angle (axil) between the stem and ...
- pedicel
- (from the article "renal system") ...The third, external layer consists of large epithelial cells called podocytes. These cells make contact ...
- pedicellaria
- (from the article "echinoderm") ...is unfavourable, or on a seasonal basis), and a new set of internal organs regenerates ...
- pedicle
- (from the article "lamp shells") ...of the articulate brachiopods (whose valves articulate by means of teeth and sockets) lasts only ...
- pediculosis pubis
- (from the article "sexually transmitted disease") Finally, a common infestation is pediculosis pubis. The crab louse, Phthirus pubis, infests the hair ...
- Pediculus
- (from the article "relapsing fever") ...well-being and caused by spirochetes, or spiral-shaped bacteria, of the genus Borrelia. ...
- Pedieos River
- river in central and eastern Cyprus. It rises in the Troodos range and flows in ... [1 Related Articles]
- pedigree
- a record of ancestry or purity of breed. Studbooks (listings of pedigrees for horses, dogs, ... [3 Related Articles]
- pedigree selection
- (from the article "selection") ...preferred characteristics, and the process is continued for as many generations as is desired. The ...
- pediment
- in architecture, triangular gable forming the end of the roof slope over a portico (the ... [1 Related Articles]
- pediment
- in geology, any relatively flat surface of bedrock (exposed or veneered with alluvial soil or ... [2 Related Articles]
- Pedinella
- (from the article "algae") ...baskets enclosing the cells; flagella bases attach almost directly to nucleus; silicoflagellate skeletons common in ...
- Pedinellales
- (from the article "algae") ...marine flagellates, including silicoflagellates that form skeletons common in diatomite deposits; fewer than 25 described ...
- Pedionomidae
- (from the article "plains wanderer") ...torquatus), Australian bird resembling a tiny quail. It has a mottled reddish brown body and ...
- pedipalp
- (from the article "arachnid") ...they are chelate, or pincerlike, and are used to hold and crush prey. Among spiders ...
- pediplain
- (from the article "continental landform") ...stream incision, and each utilized the concept of parallel retreat of fluvial-structural escarpments to generate ...
- pedocal
- (from the article "China") ...between the drier and cooler North and the wetter and hotter South, soils may be ...
- pedodontics
- dental specialty that deals with the care of children's teeth. The pedodontist is extensively concerned ... [1 Related Articles]
- pedology
- scientific discipline concerned with all aspects of soils, including their physical and chemical properties, the ... [7 Related Articles]
- pedon
- (from the article "soil") Soils are natural elements of weathered landscapes whose properties may vary spatially. For scientific study, ...
- pedophilia
- psychosexual disorder in which an adult's arousal and sexual gratification occur primarily through sexual contact ... [7 Related Articles]
- Pedrell, Felipe
- Spanish composer and musical scholar who devoted his life to the development of a Spanish ... [4 Related Articles]
- pedrero
- (from the article "military technology") ...was the cannons, or cannon-of-battery, named for their primary function of battering down fortress walls; ...
- Pedro de Toledo
- (from the article "Italy") Pedro de Toledo (viceroy 1532-53) reorganized the Kingdom of Naples and placed it firmly within ...
- Pedro Henriquez Urena National University
- (from the article "Selected universities and colleges of the world") The private Pedro Henriquez Urena National University, located in Santo Domingo, was founded (1966) in ...
- Pedro I
- founder of the Brazilian empire and first emperor of Brazil, from Dec. 1, 1822, to ... [8 Related Articles]
- Pedro II
- second and last emperor of Brazil (1831-89), whose benevolent and popular reign lasted nearly 50 ... [5 Related Articles]
- Pedro IV
- (from the article "Saldanha, Joao Carlos de Saldanha, Duke de") ...province of Rio Grande do Sul in 1821 but returned to Portugal in 1823, following ...
- Pedro IV Agua Rosada Nsamu a Mvemba of Kibangu
- (from the article "Kongo") ...the countryside and resulting in the enslavement and transport of thousands of Kongo subjects. These ...
- Pedro Juan Caballero
- town, northeastern Paraguay, founded in 1899. It lies in the Amambay Mountains at 2,296 feet ...
- Pedro the Constable
- (from the article "Portuguese literature") Poetry was cultivated in the mid-15th century, but the dominant influence came now from Castile, ...
- Pedro the Constable
- (from the article "Coimbra, Pedro, 1o duque de") His son Pedro the Constable, after a long exile in Castile, returned and was offered ...
- Pedro, Don
- (from the article "Much Ado About Nothing") ...highly skeptical of romance and courtship and, seemingly, each other. Claudio is deceived by the ...
- Pedrocchi Cafe
- (from the article "Western architecture") ...Genoa (1826-28); and Giuseppe Japelli's meat market at Padua (1821) using the unfluted Paestum order ...
- Pedroia, Dustin
- (from the article "Baseball") ...Series.) In game one, played in Boston on October 24, the Red Sox routed Colorado ...
- Pedrolino
- stock character of the Italian commedia dell'arte, a simpleminded and honest servant, usually a young ... [2 Related Articles]
- Pedroza, Eusebio
- Panamanian professional boxer, world featherweight (126 pounds) champion from 1978 to 1985.
- peduncle
- (from the article "angiosperm") The peduncle is the stalk of a flower or an inflorescence. When a flower is ...
- peduncle
- (from the article "cnidarian") ...most do so weakly and are carried passively by currents over long distances. Polyps are ...
- Pee Dee River
- river rising as the Yadkin River in the Blue Ridge Mountains in northwestern North Carolina, ...
- Peebles
- royal burgh (town), Scottish Borders council area, historic county of Peeblesshire, Scotland, at the junction ... [1 Related Articles]
- Peeblesshire
- historic county of southeastern Scotland that forms a triangle between the historic counties of Midlothian ...
- Peegee hydrangea
- (from the article "hydrangea") Peegee hydrangea (H. paniculata 'Grandiflora'), growing to a height of 9 m, is a common ...
- Peekskill
- city, Westchester county, southeastern New York, U.S., on the east bank of the Hudson River, ...
- Peel
- town on the west coast of the Isle of Man, one of the British Isles, ...
- Peel Commission
- group headed by Lord Robert Peel, appointed in 1936 by the British government to investigate ... [2 Related Articles]
- Peel Line
- (from the article "World War II") ...Netherlands began with the capture by parachutists of the bridges at Moerdijk, at Dordrecht, and ...
- peel oven
- (from the article "baking") ...consisting of a metal belt passing through a connected series of baking chambers open only ...
- Peel River
- river in northern Yukon Territory and northwestern Mackenzie District of the Northwest Territories, Canada, the ... [1 Related Articles]
- Peel, John
- British disc jockey (b. Aug. 30, 1939, Heswall, Cheshire, Eng.-d. Oct. 25, 2004, Cuzco, Peru), ... [1 Related Articles]
- Peel, Sir Robert, 2nd Baronet
- British prime minister (1834-35, 1841-46) and founder of the Conservative Party. Peel was responsible for ... [15 Related Articles]
- Peel, Thomas
- (from the article "Australia") ...Two years later he returned to the Swan as governor of the new colony of ...
- Peele, George
- Elizabethan dramatist who experimented in many forms of theatrical art: pastoral, history, melodrama, tragedy, folk ... [1 Related Articles]
- Peenemunde
- village, Mecklenburg-West Pomerania Land (state), northeastern Germany, at the northwestern end of Usedom Island in ... [2 Related Articles]
- peep
- (from the article "peep") any of about a dozen species of small sandpipers. Some are also called oxbirds or ...
- peep show
- children's toy and scientific curiosity, usually consisting of a box with an eyehole, through which ...
- Peeping Tom
- (from the article "Godiva, Lady") ...of Edward I shows that at that time no tolls were paid in Coventry except ...
- peeping tom
- person who derives sexual satisfaction from watching from hiding places as others disrobe or engage ...
- peer group
- (from the article "human behaviour") During the first two years of life, infants do not spontaneously seek out other children ...
- Peer, Rafi
- (from the article "South Asian arts") The actor-playwright Rafi Peer, with his knowledge of Western theatre as a result of his ...
- peer-to-peer network
- (from the article "cybercrime") ...digital pirate-that included just about anyone who had ever shared or downloaded an MP3 file. ...
- peerage
- (from the article "United Kingdom") During the early 17th century a small titular peerage composed of between 75 and 100 ...
- Peerage Act
- (from the article "count") ...of earl in her right, but from the reign of Richard II earldoms could be ...
- Peerage Bill
- (from the article "Walpole, Robert, 1st earl of Orford") During the next three years Walpole fought the government on every issue, achieving considerable success ...
- Peers, House of
- (from the article "Diet") Under the Meiji Constitution of 1889, the Imperial Diet was established on the basis of ...
- Peet, Bill
- American animator, screenwriter, and author-illustrator (b. Jan. 29, 1915, Grandview, Ind.-d. May 11, 2002, Studio ...
- pegasse
- (from the article "Guyana") ...of much smaller amounts of alluvium from the country's rivers. They overlie white sands and ...
- Pegasus
- in Greek mythology, a winged horse that sprang from the blood of the Gorgon Medusa ... [3 Related Articles]
- Pegasus
- any of a series of three U.S. scientific satellites launched in 1965. These spacecraft were ...
- Pegasus
- (from the article "launch vehicle") ...to launch lighter spacecraft at a lower overall cost (although not necessarily a lower cost ...
- pegasus
- (from the article "coin") ...where similar currency was produced in the islands. Ambition and pride stimulated two neighbouring powers ...
- pegged exchange rate
- (from the article "international payment and exchange") Under a system of pegged exchange rates, short-term capital movements are likely to be equilibrating ...
- pegging
- (from the article "cribbage") Scoring is traditionally called pegging because it usually is done by moving pegs on a ...
- Pegler, Westbrook
- American columnist whose continual crusades, combined with an acerbic, original style, attracted nationwide attention.
- pegmatite
- almost any wholly crystalline igneous rock that is at least in part very coarse grained, ... [5 Related Articles]
- pegmatitic texture
- (from the article "rock") ...medium-grained granite. Aphanitic is a descriptive term for small crystals, and phaneritic for larger ones. ...
- Pegnesischer Blumenorden
- (from the article "Harsdorfer, Georg Philipp") ...poet and theorist of the Baroque movement who wrote more than 47 volumes of poetry ...
- Pegolotti, Francesco Balducci
- Florentine mercantile agent best known as the author of the Pratica della mercatura ("Practice of ...
- Pegoud, Adolphe
- (from the article "stunt flying") ...Petr Nesterov (d. 1914, in one of the early dogfights of World War I). Nesterov ...
- Pegram, G. B.
- (from the article "Manhattan Project") ...from fascist regimes in Europe, took steps in 1939 to organize a project to exploit ...
- Pegu
- (from the article "Phayre, Sir Arthur Purves") After the Second Anglo-Burmese War (1852), Phayre became commissioner of Pegu and played a major ...
- Pegu
- port city, southern Myanmar (Burma), on the Pegu River, 47 miles (76 km) northeast of ... [4 Related Articles]
- Peguy, Charles
- French poet and philosopher who combined Christianity, socialism, and patriotism into a deeply personal faith ... [1 Related Articles]
- Pehle, John
- (from the article "War Refugee Board") Under the direction of John Pehle, a Treasury Department lawyer who had worked to expose ...
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