Najd, region, central Saudi Arabia, comprising a mainly rocky plateau sloping eastward from the mountains of the Hejaz. On the northern, eastern, and southern sides, it is bounded by the sand deserts of Al-Nafūd, Al-Dahnāʾ, and the Rubʿ al-Khali. It is sparsely settled, except for the fertile oases

Najaf, city, capital of Najaf muḥāfaẓah (governorate), central Iraq. Located about 100 miles (160 km) south of Baghdad, Najaf lies on a ridge just west of the Euphrates River. It is one of Shiʿi Islam’s two foremost holy cities (the other is Karbalāʾ, also in Iraq) and is widely held to be the

Ethiopia: Settlement patterns: (in the east), Jima (south), Nekemte (west), Dese (north-central), Gonder (northwest), and Mekele (north). Addis Ababa, founded by Menilek II in 1886, brought an end to the custom of “roving capitals” practiced by earlier monarchs. After World War II, “Addis” obtained the lion’s share of investments

Nekhbet, in Egyptian religion, vulture goddess who was the protector of Upper Egypt and especially its rulers. Nekhbet was frequently portrayed as spreading her wings over the pharaoh while grasping in her claw the cartouche symbol or other emblems. She also appeared as a woman, often with a

Hierakonpolis, prehistoric royal residence of the kings of Upper Egypt and the most important site of the beginning of Egypt’s historical period. Evidence indicates a royal presence at Hierakonpolis, then called Nekhen, which enjoyed its period of greatest importance from about 3400 bce to the

Nectanebo II was the third and last king (reigned 360–343 bce) of the 30th dynasty of Egypt; he was the last of the native Egyptian kings. Nectanebo, with the aid of the Spartan king Agesilaus II, usurped the throne from Tachos. A rival pretender almost succeeded in overthrowing the new king, but

Nectanebo I was the first king (reigned 380–362 bce) of the 30th dynasty of Egypt. He successfully opposed an attempt by the Persians to reimpose their rule on Egypt (373). When Nectanebo came to the throne, a Persian invasion was imminent. A powerful army, gathered by a previous king, Achoris

Nikolay Alekseyevich Nekrasov was a Russian poet and journalist whose work centred on the theme of compassion for the sufferings of the peasantry. Nekrasov also sought to express the racy charm and vitality of peasant life in his adaptations of folk songs and poems for children. Nekrasov studied at

Arvo Pärt: …in his own striking composition Nekrolog (1960), the first 12-tone piece written in Estonia. Pärt graduated from the conservatory in 1963. Soon afterward he composed his Symphony No. 1 (1964) and Symphony No. 2 (1966), the latter including quotations from the music of other composers. He also used this collage…

nekton, the assemblage of pelagic animals that swim freely, independent of water motion or wind. Only three phyla are represented by adult forms. Chordate nekton include numerous species of bony fishes, the cartilaginous fishes such as the sharks, several species of reptiles (turtles, snakes, and

Pelias: According to Homer, Pelias and Neleus were twin sons of Tyro (daughter of Salmoneus, founder of Salmonia in Elis) by the sea god Poseidon, who came to her disguised as the river god Enipeus, whom she loved. The twins were exposed at birth but were found and raised by a…

Aristotle: Extant works: …and Theophrastus were bequeathed to Neleus of Scepsis, whose heirs hid them in a cellar to prevent their being confiscated for the library of the kings of Pergamum (in present-day Turkey). Later, according to this tradition, the books were purchased by a collector and taken to Athens, where they were…

ocean thermal energy conversion: By 1999 the Natural Energy Laboratory of Hawaii Authority (NELHA) had created and tested a 250-kilowatt plant.

John Barry: …worked with pop singers, including Adam Faith. After agreeing to compose the scores for two films in which Faith had been cast, Barry was approached to do the musical arrangements for Dr. No.

East African mountains: Physiography: …of Batian (17,057 feet) and Nelion (17,022 feet) are closely followed in height by Lenana (16,355 feet).

Jodie Foster: The Silence of the Lambs and The Accused: …several of her films, including Nell (1994), for which she received another Oscar nomination for best actress. In 1997 Foster starred in Contact, an adaptation of the science-fiction novel of the same name by Carl Sagan. Subsequent films in which she acted include the thrillers Panic Room (2002), Inside Man…

Don Nelson is an American professional basketball player and coach who amassed a record 1,335 National Basketball Association (NBA) coaching victories and was named the NBA Coach of the Year three times (1983, 1985, and 1992). For over 30 years, Nelson was the NBA’s resident mad scientist of a

Nellie Bly: Nellie Bly’s Book: Around the World in Seventy-two Days (1890) was a great popular success, and the name Nellie Bly became a synonym for a female star reporter.

Omaha: 1935 Triple Crown: …from Omaha to the filly Nellie Flag, who became the favourite of the 18-horse field at nearly 4–1 odds.

Émile Nelligan was a French-Canadian poet who was a major figure in the École Littéraire de Montréal (“Montreal Literary School”). Nelligan attended the Collège Sainte-Marie in Montreal but abandoned his studies to concentrate on writing. In 1899, after three years of intense poetic activity, he

Las Vegas: Wartime and early postwar growth: The latter, now Nellis Air Force Base, eventually grew to occupy an area of some 1,350 square miles (3,500 square km), including the U.S. Air Force’s vast testing range northwest of the city. These and other defense-related installations set up in the region brought in thousands more people.…

Missy Elliott: …features by rappers Jay-Z and Nelly as well as an appearance by Mary J. Blige, but it did not produce hits as her others had. Her 2005 album, The Cookbook, contained the Grammy-winning single “Lose Control.” Elliott subsequently recorded several singles and appeared on other musicians’ tracks. In 2019 she…

Nelson, city, southeastern British Columbia, Canada, on the western arm of Kootenay Lake, a few miles south of Kokanee Glacier Provincial Park and 408 miles (657 km) east of Vancouver. The discovery of gold at nearby Fortynine Creek in 1867 led to the development of several mines near Cottonwood

Nelson, port city and unitary authority, northern South Island, New Zealand. It is located on an inlet at the head of Tasman Bay, at the mouth of the Matai River. It was settled by the New Zealand Company in 1842 and named for British admiral Lord Nelson but was delayed in its development by a

Nelson Lakes National Park, park in northern South Island, New Zealand. The park was established in 1956 and has an area of 393 square miles (1,018 square km). It is named after its chief focal points, the scenic lakes of Rotoiti and Rotoroa. The park is bounded by the Braeburn and Muntz ranges

Nelson Mandela: Presidency and retirement: Mandela Day, observed on Mandela’s birthday, was created to honor his legacy by promoting community service around the world. It was first observed on July 18, 2009, and was sponsored primarily by the Nelson Mandela Foundation and the 46664 initiative (the foundation’s HIV/AIDS global awareness…

Nelson Mandela Legacy Sites, series of 14 sites across South Africa, recognized by UNESCO as part of its World Heritage List. The sites were chosen for their significance in the country’s long struggle for human rights and liberation that were denied under the South African government policy of

South Africa: Cultural institutions: The Nelson Mandela National Museum, honoring the life and work of Mandela, comprises three sites centered in or around Mandela’s home village in Qunu, Eastern Cape. The museum opened on Feb. 11, 2000—10 years from the day that Mandela was released from prison. A museum dedicated…

Horatio Nelson was a British naval commander in the wars with Revolutionary and Napoleonic France, who won crucial victories in such battles as those of the Nile (1798) and of Trafalgar (1805), where he was killed by enemy fire on the HMS Victory. In private life he was known for his extended love

Horatio Nelson was a British naval commander in the wars with Revolutionary and Napoleonic France, who won crucial victories in such battles as those of the Nile (1798) and of Trafalgar (1805), where he was killed by enemy fire on the HMS Victory. In private life he was known for his extended love

Nelson River, river in northern Manitoba, Can., that begins by draining Lake Winnipeg, flows northward, and ends by discharging into Hudson Bay near York Factory. Its 400-mile (644-km) course is the ultimate outlet for a basin of 444,000 square miles (1,150,000 square km). Together with the Bow and

Nelson’s Column, monument in Trafalgar Square in London. It honours Horatio Nelson, the greatest of English naval heroes, and commemorates Britain’s triumph over France. Lord Nelson was killed at the Battle of Trafalgar in 1805, in which the Royal Navy defeated a combined force of 33 French and

Yinka Shonibare: In 2010 Shonibare’s Nelson’s Ship in a Bottle won a commission to occupy Trafalgar Square’s Fourth Plinth. This competition evinced his growing interest in public art. In 2013 he began a series of fibreglass works he termed Wind Sculptures. Amorphous in shape and colourfully hand-painted in dazzling designs,…

Albert King was an American blues musician who created a unique string-bending guitar style that influenced three generations of musicians. He was one of 13 children born to an itinerant Mississippi preacher and his wife. When he was eight years old, his widowed mother moved the family to eastern

Baby Face Nelson was an American gunman and bank robber noted for his vicious killings and youthful looks. From petty crime Nelson graduated into labour racketeering, working for Al Capone (1929–31) and other bootleg bosses; he was let go, however, proving too violent even for them. He then turned

Ben E. King was an American rhythm and blues singer who was the leader of the vocal group the Drifters in the late 1950s and early ’60s. He later earned acclaim as a solo artist with several hit singles, most notably “Stand by Me” (1961). King’s early childhood was spent in North Carolina, where he

Bill Nelson is an American Democratic politician who represented Florida in the U.S. Senate from 2001 to 2019. He had previously served in the U.S. House of Representatives (1979–91). Nelson was the second sitting member of Congress to travel into space (1986). In 2021 he became the administrator

Malcolm Turnbull: In September 2008 Liberal leader Brendan Nelson called for a vote of confidence, and Turnbull defeated him by four votes to become Liberal Party leader. However, Turnbull’s support of government legislation that would reduce carbon pollution divided the party, and in December 2009 he narrowly lost a leadership vote to…

Byron Nelson was an American professional golfer who dominated the sport in the late 1930s and ’40s. Known for his fluid swing, he won a record 11 consecutive professional tournaments in 1945. Nelson began as a caddie at the age of 12 and became a professional in 1932. He won the U.S. Open (1939),

Bill Nelson is an American Democratic politician who represented Florida in the U.S. Senate from 2001 to 2019. He had previously served in the U.S. House of Representatives (1979–91). Nelson was the second sitting member of Congress to travel into space (1986). In 2021 he became the administrator

The Incredibles: Craig T. Nelson provided the voice of Bob Parr, also known as the superhumanly strong Mr. Incredible, and Holly Hunter played his wife, Helen, who used her fantastic stretching powers to fight crime as Elastigirl. Samuel L. Jackson voiced Frozone, Mr. Incredible’s ice-powered friend and…

Don Nelson is an American professional basketball player and coach who amassed a record 1,335 National Basketball Association (NBA) coaching victories and was named the NBA Coach of the Year three times (1983, 1985, and 1992). For over 30 years, Nelson was the NBA’s resident mad scientist of a

Don Nelson is an American professional basketball player and coach who amassed a record 1,335 National Basketball Association (NBA) coaching victories and was named the NBA Coach of the Year three times (1983, 1985, and 1992). For over 30 years, Nelson was the NBA’s resident mad scientist of a

Rick Nelson was an American singer and actor, one of rock music’s first teen idols. Nelson gained fame on his parents’ television series, The Adventures of Ozzie and Harriet, which embodied middle-American values in the 1950s and early ’60s. At age 17, in 1957, he recorded a hit version of Fats

Baby Face Nelson was an American gunman and bank robber noted for his vicious killings and youthful looks. From petty crime Nelson graduated into labour racketeering, working for Al Capone (1929–31) and other bootleg bosses; he was let go, however, proving too violent even for them. He then turned

Harry Nilsson was an American singer-songwriter of immense talent. A self-taught musician who rose from working in a bank to become an international star, Nilsson had the distinction of once being cited by Beatles John Lennon and Paul McCartney as their favorite recording artist. Despite his fame

Horatio Nelson: Victory at Trafalgar: Horatia, showing her father’s resilience, married a clergyman in Norfolk and became the mother of a large and sturdy family.

Horatio Nelson was a British naval commander in the wars with Revolutionary and Napoleonic France, who won crucial victories in such battles as those of the Nile (1798) and of Trafalgar (1805), where he was killed by enemy fire on the HMS Victory. In private life he was known for his extended love

Jerry Earl Nelson was an American telescope designer and astronomer who originated the assembly of large telescope mirrors out of smaller segments. Nelson received a bachelor’s degree in physics from the California Institute of Technology in 1965 and a doctorate in physics from the University of

Byron Nelson was an American professional golfer who dominated the sport in the late 1930s and ’40s. Known for his fluid swing, he won a record 11 consecutive professional tournaments in 1945. Nelson began as a caddie at the age of 12 and became a professional in 1932. He won the U.S. Open (1939),

John Hughes: Judd Nelson, among them—who collectively became known as the Brat Pack. (This name was a play on the Rat Pack, a close-knit group of celebrities of an earlier era that included Frank Sinatra, Dean Martin, and Sammy Davis, Jr.)

Kadir Nelson is an American artist, illustrator, and author whose paintings have been featured in museum exhibits worldwide as well as on multiple covers of The New Yorker magazine. Nelson won the Caldecott Medal and the Coretta Scott King Illustrator Award for The Undefeated (2019), a poem

Horatio Nelson: Early years: There he met Frances Nisbet, a widow, and her five-year-old son, Josiah. Nelson conducted his courtship with formality and charm, and in March 1787 the couple was married at Nevis.

Kantianism: Psychological Neo-Kantianism: … philosopher of ethics and law Leonard Nelson and published in the Abhandlungen der Fries’schen Schule (1904 ff.; “Acts of the Friesian School”). Even this title suggests an intimate agreement with the Kantianism of Fries’s Neue Kritik der Vernunft (1807; “New Critique of Reason”), and Nelson, indeed, is regarded as the…

Korean War Veterans Memorial: …a mural wall, designed by Louis Nelson, made of 41 black granite panels totaling approximately 164 feet (50 metres) in length. It honours members of the various military contingents that supported the ground troops—pilots, doctors and nurses, communications officers, canine corps, supply staff, and others—during the conflict. Etched onto the…

With such books as Bluets (2009) and The Argonauts (2015), American writer Maggie Nelson is known for works that defy simple categorization by blending poetry, criticism, and autobiography. Her intensely confessional work has addressed motherhood, childbirth, violence, family, identity, and

Norma McCorvey was an American activist who was the original plaintiff (anonymized as Jane Roe) in the landmark U.S. Supreme Court ruling Roe v. Wade (1973), which made abortion legal throughout the United States. McCorvey grew up in Texas, the daughter of a single alcoholic mother. She got into

Samoa: Rule by New Zealand: …was led by Olaf Frederick Nelson, whose mother was Samoan, but New Zealand outlawed the movement, claiming that Nelson and other “part-Europeans” were misleading the Samoans. New Zealand troops were sent in, and Nelson was exiled to New Zealand. During a Mau demonstration in December 1929, the matai Tupua Tamasese…

radio: Situation comedy: …Harriet, which starred former bandleader Ozzie Nelson, his real-life wife, Harriet Hilliard Nelson, and, eventually, their two sons, David and Ricky.

Prince was an American singer, guitarist, songwriter, producer, dancer, and performer on keyboards, drums, and bass who was among the most talented musicians of his generation. Like Stevie Wonder, he was a rare composer who could perform at a professional level on virtually all the instruments he

Ralph Nelson was an American director who first garnered attention for his live television productions and later launched a successful film career. He was best known for his thoughtful dramas that often addressed social and topical issues. As a teenager, Nelson had frequent run-ins with the law. He

American literature: The Off-Broadway ascendancy: Richard Nelson found an enthusiastic following in London for literate plays such as Some Americans Abroad (1989) and Two Shakespearean Actors (1990), while Richard Greenberg depicted Jewish American life and both gay and straight relationships in Eastern Standard (1989), The American Plan (1990), and Take…

Rick Nelson was an American singer and actor, one of rock music’s first teen idols. Nelson gained fame on his parents’ television series, The Adventures of Ozzie and Harriet, which embodied middle-American values in the 1950s and early ’60s. At age 17, in 1957, he recorded a hit version of Fats

Rick Nelson was an American singer and actor, one of rock music’s first teen idols. Nelson gained fame on his parents’ television series, The Adventures of Ozzie and Harriet, which embodied middle-American values in the 1950s and early ’60s. At age 17, in 1957, he recorded a hit version of Fats

Samuel Nelson was an associate justice of the Supreme Court of the United States (1845–72). Nelson was the son of farmers John Rogers Nelson and Jean McArthur Nelson. He initially planned to become a minister but instead studied law at Middlebury College (Vermont), from which he graduated in 1813.

Horatio Nelson was a British naval commander in the wars with Revolutionary and Napoleonic France, who won crucial victories in such battles as those of the Nile (1798) and of Trafalgar (1805), where he was killed by enemy fire on the HMS Victory. In private life he was known for his extended love

William Rockhill Nelson was an American journalist, editor, and publisher who helped found The Kansas City Star (1880). Among American publishers, he was a pioneering advocate of focusing investigative reporting on local municipal corruption instead of merely printing the exposés of nationally

Willie Nelson is an American songwriter and guitarist who became one of the most popular and enduring country music singers of the late 20th and early 21st centuries. Nelson learned to play guitar from his grandfather and by the age of 10 was performing at local dances. He began writing songs at a

Nelson-Atkins Museum of Art, art museum in Kansas City, Missouri, that ranks among the 10 largest in the United States. (Read Sister Wendy’s Britannica essay on art appreciation.) Opened in 1933, the Nelson-Atkins Museum of Art has more than 40,000 works of art. The museum’s outstanding feature is

Boston Symphony Orchestra: 1973–2002), James Levine (2004–11), and Andris Nelsons (2014– ). Principal guest conductors included Michael Tilson Thomas (1972–74) and Colin Davis (1972–84). In 1964 Leinsdorf founded the Boston Symphony Chamber Players.

Mbombela, city, capital of Mpumalanga province, South Africa. It lies along the Krokodil (Crocodile) River, among domed granite hills. In 1891 the railway from Delagoa Bay (site of modern Maputo, Mozambique) reached a farm owned by the Nel family known as Nelspruit (“Nel’s Stream”). A railway

etesian wind, remarkably steady southbound drift of the lower atmosphere over the eastern Mediterranean and adjacent lands in summer. From about mid-May to mid-September, it generally dominates the Adriatic, Ionian, and Aegean seas and the adjacent countries. The name (from Greek etos, “year”) is

lotus: …of eastern North America is Nelumbo pentapetala, a similar plant with yellow blossoms (see Nelumbonaceae). The lotus tree, known to the Romans as the Libyan lotus, was probably Celtis australis, the nettle tree of southern Europe, a member of the elm family (Cannabaceae) with fruits like small cherries, first red…

sacred lotus, (Nelumbo nucifera), attractive edible aquatic plant of the lotus-lily family (Nelumbonaceae) found in tropical and subtropical Asia. Representing the rise to and spread of spiritual enlightenment, the large elevated and spreading flower, flourishing above the muddy waters of its

lotus: …of eastern North America is Nelumbo pentapetala, a similar plant with yellow blossoms (see Nelumbonaceae). The lotus tree, known to the Romans as the Libyan lotus, was probably Celtis australis, the nettle tree of southern Europe, a member of the elm family (Cannabaceae) with fruits like small cherries, first red…

Nelumbonaceae, the lotus-lily family of the order Proteales, consisting of two species of attractive aquatic plants. One of these species is the sacred lotus of the Orient (Nelumbo nucifera) and is found in tropical and subtropical Asia. The other species is the American lotus, or water chinquapin

Nelumbonaceae: …constitute a separate order (Nelumbonales) because of important botanical characteristics that suggest a different evolutionary origin from the other water lilies. Unlike other water lilies, the plants of Nelumbonaceae have pores in the seed coat but lack latex-bearing tubes; there are also chromosomal differences. The family is further characterized…

Laos: The Lao People’s Democratic Republic: …a major reform called the New Economic Mechanism (NEM), which followed the introduction of perestroika (“restructuring”), a similar economic reform program in the Soviet Union. The NEM introduced market incentives and began decentralizing government economic enterprise. With the collapse of communist regimes in eastern Europe and of the Soviet Union…

Hungary: Overview: …growth, the government introduced the New Economic Mechanism (NEM) in 1968. The NEM implemented market-style reforms to rationalize the behaviour of Hungary’s state-owned enterprises, and it also allowed for the emergence of privately owned businesses. By the end of the 1980s, one-third of the gross domestic product (GDP)—nearly three-fifths of…

Neman River, river in Belarus and Lithuania. The Neman River is 582 miles (937 km) long and drains about 38,000 square miles (98,000 square km). It rises near Minsk in the Minsk Upland and flows west through a broad, swampy basin; it then turns north into Lithuania, cutting through terminal

Nemanjić Dynasty, ruling Serbian family that from the late 12th to the mid-14th century developed the principality of Raška into a large empire. The dynasty traced its descent from Stefan Nemanja, who, as veliki župan, or grand chieftain, of the Serb region of Raška from 1169 to 1196, began to

Stefan Nemanja was the founder of the Serbian state and the Nemanjić dynasty. Nemanja became grand župan (clan leader) of Raška under Byzantine suzerainty in 1169. He subsequently sided with the Venetians and was eventually defeated by the avenging Byzantines, but he was pardoned. Nemanja later

Stefan Nemanja was the founder of the Serbian state and the Nemanjić dynasty. Nemanja became grand župan (clan leader) of Raška under Byzantine suzerainty in 1169. He subsequently sided with the Venetians and was eventually defeated by the avenging Byzantines, but he was pardoned. Nemanja later

Serbia: The Golden Age: …in favour of his son Stefan (known as Prvovenčani, the “First-Crowned”), who in 1217 secured from Pope Honorius III the title of “king of Serbia, Dalmatia, and Bosnia.” Under the Nemanjić dynasty, which was to rule the Serb lands for the next 200 years, a powerful state emerged to dominate…

Nemanjić Dynasty, ruling Serbian family that from the late 12th to the mid-14th century developed the principality of Raška into a large empire. The dynasty traced its descent from Stefan Nemanja, who, as veliki župan, or grand chieftain, of the Serb region of Raška from 1169 to 1196, began to

nematode, any worm of the phylum Nematoda. Nematodes are among the most abundant animals on Earth. They occur as parasites in animals and plants or as free-living forms in soil, fresh water, marine environments, and even such unusual places as vinegar, beer malts, and water-filled cracks deep

aschelminth, a name referring to an obsolete phylum of wormlike invertebrates, mostly of microscopic size. Previously, phylum Aschelminthes included seven diverse classes of animals: Nematoda (or Nemata), Rotifera, Acanthocephala, Gastrotricha, Kinorhyncha (or Echinodera), Nematomorpha, and

aschelminth, a name referring to an obsolete phylum of wormlike invertebrates, mostly of microscopic size. Previously, phylum Aschelminthes included seven diverse classes of animals: Nematoda (or Nemata), Rotifera, Acanthocephala, Gastrotricha, Kinorhyncha (or Echinodera), Nematomorpha, and

liquid crystal: Symmetries of liquid crystals: In Figure 1C the nematic director is vertical.

liquid crystal display: Electro-optical effects in liquid crystals: LCDs utilize either nematic or smectic liquid crystals. The molecules of nematic liquid crystals align themselves with their axes in parallel, as shown in the figure. Smectic liquid crystals, on the other hand, arrange themselves in layered sheets; within different smectic phases, as shown in the figure, the…

roosterfish, (Nematistius pectoralis), popular game fish of the family Nematistiidae, related to the jack (q.v.) family, Carangidae (order Perciformes). In the Gulf of California roosterfish commonly reach weights of 9 kilograms (20 pounds) and occasional specimens weigh as much as 32 kg. They are

dipteran: …fall into three large groups: Nematocera (e.g., crane flies, midges, gnats, mosquitoes), Brachycera (e.g., horse flies, robber flies

fumigant, any volatile, poisonous substance used to kill insects, nematodes, and other animals or plants that damage stored foods or seeds, human dwellings, clothing, and nursery stock. Soil fumigants are sprayed or spread over an area to be cultivated and are worked into the soil to control

nematocyst, minute, elongated, or spherical capsule produced exclusively by members of the phylum Cnidaria (e.g., jellyfish, corals, sea anemones). Several such capsules occur on the body surface. Each is produced by a special cell called a cnidoblast and contains a coiled, hollow, usually barbed

nematode, any worm of the phylum Nematoda. Nematodes are among the most abundant animals on Earth. They occur as parasites in animals and plants or as free-living forms in soil, fresh water, marine environments, and even such unusual places as vinegar, beer malts, and water-filled cracks deep

nematode, any worm of the phylum Nematoda. Nematodes are among the most abundant animals on Earth. They occur as parasites in animals and plants or as free-living forms in soil, fresh water, marine environments, and even such unusual places as vinegar, beer malts, and water-filled cracks deep

gymnostome: …(known as nematodesmata, sometimes called trichites) embedded in the gullet wall; the plant feeders (e.g., Chilodonella) have trichites fused into pharyngeal baskets. The genus Didinium, a predator of the protozoan ciliate Paramecium, divides asexually for extended periods. In time of famine it forms a resistant stage (cyst) and undergoes nuclear…

mesozoan: During a phase called the nematogen phase, axoblast cells (also called agametes) give rise to wormlike individuals similar to their parents. These remain in the same host, thus increasing the parasite population within the host’s kidney. In the next phase, known as the rhombogen phase, a few axoblasts differentiate into…

horsehair worm, any of the approximately 250 to 300 species of the class Nematomorpha, or Gordiacea (phylum Aschelminthes). The young of these long, thin worms are parasitic in arthropods. The adults are free-living in the sea or in freshwater. The hairlike body sometimes grows to a length of 1 m

horsehair worm, any of the approximately 250 to 300 species of the class Nematomorpha, or Gordiacea (phylum Aschelminthes). The young of these long, thin worms are parasitic in arthropods. The adults are free-living in the sea or in freshwater. The hairlike body sometimes grows to a length of 1 m