Oswald Mbuyiseni Mtshali is a South African poet who writes in English and Zulu and whose work draws deeply upon the immediate experience of life in the Johannesburg township of Soweto. Mtshali worked as a messenger before his first collection of poems, Sounds of a Cowhide Drum (1971), won the

Mtskheta, town, Georgia, at the confluence of the Kura and Aragvi rivers, just northwest of Tbilisi. One of the oldest settlements of Transcaucasia, Mtskheta was the capital of Georgia from the 2nd to the 5th century ad. Of historical and architectural interest are the Cathedral of Sveti-Tskhoveli,

chimurenga: Other artists, most notably Oliver Mtukudzi and Comrade Chinx (Dickson Chingaira), began performing their own versions of chimurenga. Mtukudzi enriched his sound with elements of reggae, jazz, mbira, and various African popular musics, including Rhodesian jit and South African mbaqanga, both of which featured quick-paced rippling melodies of electric

crowdsourcing: How crowdsourcing solves problems: One example is Amazon’s Mechanical Turk (MTurk), which allows organizations to outsource parts of tasks and projects. Crowdsourcing participants, referred to as crowdworkers, can earn money for tasks as varied as data validation and research to sorting images for machine learning and writing product descriptions.

The Buggles’ “Video Killed the Radio Star,” the first music video broadcast on MTV (Music TeleVision) when it debuted in the summer of 1981, only slightly overstated the impact that the cable television network would have on music and popular culture. Presenting round-the-clock music videos

MTV, cable television network that began as a 24-hour platform for music videos. MTV debuted just after midnight on August 1, 1981, with the broadcast of “Video Killed the Radio Star” by the Buggles. Following the format of Top 40 radio, video disc jockeys (or “veejays”) introduced videos and

Generation X, a term typically used to describe the generation of Americans born between 1965 and 1980, although some sources use slightly different ranges. It has sometimes been called the “middle child” generation, as it follows the well-known baby boomer generation and precedes the millennial

Nirvana: Subsequent concert releases, notably Unplugged in New York (1994) and From the Muddy Banks of the Wishkah (1996), only added to Nirvana’s legend.

Lauryn Hill: Although MTV Unplugged No. 2.0 sold poorly, Hill proved that she could still be a significant draw when she co-headlined the Smokin’ Grooves tour with OutKast later in 2002. For the rest of the decade, however, her recorded output was limited to guest appearances on others’…

MTV: …the format with its annual Video Music Awards. Total Request Live (TRL), an hour-long interview and music video show, debuted in 1998 and anchored the weekday lineup. By the early 21st century, however, MTV increasingly sought to position itself as a destination for music on the Internet. Its Web site…

Stone Age: Oceania: , Lemuria, Mu) or direct relations with the Middle East (e.g., the Ten Lost Tribes, migrations of Children of the Sun from Egypt), early India (e.g., Indus Valley–Easter Island connections), or Japan (e.g., supposed language relations). They also insist that, while eastern-voyaging Polynesians could well have reached…

Mu Dan was a renowned modern Chinese poet and translator. Zha Liangzheng enrolled at Qinghua University at age 17. During the Sino-Japanese War (1937–45), he moved with the university to the southwest and continued his study of foreign languages and literature; he graduated from Southwest United

Mu Gia Pass, mountain pass in the Annamese Cordillera (Chaîne Annamitique) between northern Vietnam and Laos, 55 miles (90 km) northwest of Dong Hoi, Vietnam. The pass lies 1,371 feet (418 m) above sea level and carries the road from Tan Ap in Vietnam to Muang Khammouan (formerly called Thakhek) in

Rennell Island, southernmost of the Solomon Islands, in the southwestern Pacific Ocean, 130 miles (209 km) south of Guadalcanal. The island and the smaller Bellona Island, just to the northwest, constitute Rennell and Bellona province. An atoll 50 miles (80 km) long and 8 miles (13 km) wide, it

Mu River, river in north-central Myanmar (Burma), flowing south to the Irrawaddy River west of Sagaing. The Mu is about 170 miles (275 km) long and has been used for irrigation in the Dry Zone since the 9th century. The modern Mu Valley Irrigation Project is one of the largest in

star: Eclipsing binaries: …for the bright B-type star Mu Scorpii.

Mu Dan was a renowned modern Chinese poet and translator. Zha Liangzheng enrolled at Qinghua University at age 17. During the Sino-Japanese War (1937–45), he moved with the university to the southwest and continued his study of foreign languages and literature; he graduated from Southwest United

tung tree: …the candlenut tree (Aleurites moluccana), mu tree (A. montana), Japan wood oil tree (A. cordata), and lumbang tree (A. trisperma), are decorative and are planted as shade trees or as sources of tung oil in the subtropical and tropical areas of many countries, including the American Deep South, where they…

percussion instrument: Idiophones: The Chinese mu yu (traditionally fish-shaped) is a Buddhist and Daoist ritual slit drum. Its Korean and Japanese counterparts are likewise ritual time markers, while in Vietnam the slit drum is both a temple and a watchman’s instrument. On Java slit drums can be traced to the…

Muqi Fachang was one of the best-known Chinese Chan (Japanese: Zen) Buddhist painters (see also Chan painting). His works were influential in Japan. Toward the end of the Southern Song dynasty (c. 13th century), Muqi found himself in political trouble and fled to a monastery near the capital city

Mufu Mountains, range at the border of Hunan, Hubei, and Jiangxi provinces, east-central China. The Mufu extend northeastward for more than 125 miles (200 km), from near Pingjiang in Hunan to the Yangtze River (Chang Jiang) valley west of Jiujiang. The elevation of the range averages about 3,300

muon, elementary subatomic particle similar to the electron but 207 times heavier. It has two forms, the negatively charged muon and its positively charged antiparticle. The muon was discovered as a constituent of cosmic-ray particle “showers” in 1936 by the American physicists Carl D. Anderson and

neutrino: …second type of neutrino, the muon-neutrino. Identification of the muon-neutrino as distinct from the electron-neutrino was accomplished in 1962 on the basis of the results of a particle-accelerator experiment. High-energy muon-neutrinos were produced by decay of pi-mesons and were directed to a detector so that their reactions with matter could…

Muztagata Range, mountain range in the westernmost part of the Uygur Autonomous Region of Xinjiang, northwestern China. As a far western part of the Kunlun Mountains, it extends some 200 miles (320 km) along a north-northwest and south-southeast axis parallel to the eastern edge of the Pamirs range

Kunlun Mountains: Physiography: …metres), as well as Mount Muztagata, at 24,757 feet (7,546 metres). A major bifurcation occurs just south of the oasis town of Qiemo (Cherchen); there, the Altun Mountains branch in a northeasterly direction from the Arkatag Mountains at Mount Muztag (Muztagh), which at 25,338 feet (7,723 metres) is the highest…

Mudanjiang, city in southeastern Heilongjiang sheng (province), China. It is located about 70 miles (110 km) west of the Chinese-Russian border. It is situated on the upper reaches of the Mudan River (Mudan Jiang), which is a tributary of the Sungari (Songhua) River in the mountains of eastern

Tom Kilburn: …started his last computer project, MU5. Operational by 1972, MU5 pioneered an architecture geared to the requirements of high-level languages (languages with more humanlike syntax).

Vietnam: Theater: …indigenous origin, circus performances, and mua roi nuoc, a distinct form of Vietnamese puppetry, in which performances take place on a pool or pond. The water animates the puppets and covers the manipulating apparatuses, which are operated by puppeteers, who stand in the water, hidden behind a screen. A separate…

maa-alused, in Estonian folk religion, mysterious elflike small folk living under the earth. Corresponding to these are the Finnish maahiset and Lude muahiset, which refer both to the spirits and to an illness caused by them. These terms refer to beings living under the earth with an existence

Shōhaku was a Japanese scholar and author of waka and renga (“linked-verse”) poetry during the late Muromachi period (1338–1573). Along with two other renga masters, he composed Minase sangin hyakuin (1488; Minase Sangin Hyakuin: A Poem of One Hundred Links Composed by Three Poets at Minase).

Thailand: Early Tai culture: …Tai political organization was the müang, or group of villages, ruled by a chao, or hereditary chief or lord. During the 1st millennium ce the political strengths of the müang system enabled the Tai to move out of their original homeland until, by the 8th century, they had expanded across…

Frank Bainimarama: The Muanikau Accord, signed by Bainimarama (as head of government) and Speight, led to the release of the insurgents’ hostages (including Chaudhry) on July 13. A few days later Bainimarama returned power to an interim government led by newly appointed Prime Minister Laisenia Qarase and Pres.…

Moorea: …the east coast overlooked by Muaputa (2,723 feet [830 meters]). Cook (Paopao) Bay and Opunohu (Papetoai) Bay, divided by Mount Rotui, are on the north coast at the centre of what was once the volcano’s crater; Haapiti town is on the west. The American writer Herman Melville traveled to the…

Muar, town and port on the southwestern coast of Peninsular (West) Malaysia. It lies along the strait of Malacca, at the mouth of the Muar River. An old town, it was occupied by the end of the 14th century ad by Parameswara, founder of the Malay kingdom of Malacca (Melaka). Naval battles involving

Brunei: Transportation and telecommunications: …a large, deepwater harbour at Muara, on Brunei Bay, and a smaller port at Kuala Belait, at the mouth of the Belait River. The country’s sole international airport, located at Bandar Seri Begawan, is home to Royal Brunei Airlines. Public transport (buses and taxis) is concentrated in urban areas.

boxing: Asia: …the traditional martial art of Thai boxing (Muay Thai) are both featured at many boxing events. This fusion has its roots in the 1930s, when Queensberry boxing first reached Thailand and began influencing the native sport. Soon Muay Thai matches were held in a ring and fought under time limitations.…

Islam: Literature: …poetry and prose—toward hyperbole (mubālaghah), a literary device to satisfy the need of getting away from what is starkly real without committing literal falsehood, thus often resulting in the caricature and the grotesque. Poetry lent itself particularly well to this device, which was freely used in panegyrics, satires, and…

Abū al-Faḍl ʿAllāmī: Life: …studied with his father, Sheikh Mubārak Nāgawrī, a distinguished scholar. After teaching in his father’s school, he was presented to Akbar in 1574 by the poet Fayzī, Abū al-Faḍl’s elder brother. Through his criticism of the traditional Muslim religious leaders, he influenced the development of Akbar’s religious synthesis. He opposed…

India: The Tughluqs of India: …ʿAlāʾ al-Dīn’s six-year-old son by Quṭb al-Dīn Mubārak Shah, the sultan’s third son, who assumed the sultanate (reigned 1316–20). Quṭb al-Dīn suppressed revolts in Gujarat and Devagiri and conducted another raid on Telingana. He was murdered by his favorite general, a Hindu convert named Khusraw Khan, who had built substantial…

Kuwait: Early settlers: …reversed with the accession of Mubārak the Great, who came to power by assassinating his brother ʿAbd Allāh—an act of uncustomary political violence in Kuwait. Ottoman threats to annex Kuwait prompted Mubārak to cultivate a close relationship with Britain. An 1899 treaty basically granted Britain control of Kuwait’s foreign affairs.…

Hosni Mubarak was an Egyptian military officer and politician who served as president of Egypt from October 1981 until February 2011, when popular unrest forced him to step down. Born in the Nile River delta, Mubarak graduated from the Egyptian military academy at Cairo (1949) and the air academy

Hosni Mubarak was an Egyptian military officer and politician who served as president of Egypt from October 1981 until February 2011, when popular unrest forced him to step down. Born in the Nile River delta, Mubarak graduated from the Egyptian military academy at Cairo (1949) and the air academy

Hosni Mubarak was an Egyptian military officer and politician who served as president of Egypt from October 1981 until February 2011, when popular unrest forced him to step down. Born in the Nile River delta, Mubarak graduated from the Egyptian military academy at Cairo (1949) and the air academy

Hosni Mubarak was an Egyptian military officer and politician who served as president of Egypt from October 1981 until February 2011, when popular unrest forced him to step down. Born in the Nile River delta, Mubarak graduated from the Egyptian military academy at Cairo (1949) and the air academy

Hosni Mubarak was an Egyptian military officer and politician who served as president of Egypt from October 1981 until February 2011, when popular unrest forced him to step down. Born in the Nile River delta, Mubarak graduated from the Egyptian military academy at Cairo (1949) and the air academy

ʿAlī Pasha Mubārak was an administrator and author, who was responsible for the creation and modernization of a unified system of education in Egypt. A product of the military schools created by Muḥammad ʿAlī Pasha (ruled 1805–48), Mubārak was sent in 1844 to France to complete his education, and

al-Mubarrad was an Arab grammarian and literary scholar whose Al-Kāmil (“The Perfect One”) is a storehouse of linguistic knowledge. After studying grammar in Basra, al-Mubarrad was called to the court of the ʿAbbāsid caliph al-Mutawakkil at Sāmarrāʾ in 860. When the caliph was killed in 861,

United Arab Emirates: Resources and power: …operates an offshore rig at Al-Mubarraz, and other offshore concessions are held by American companies. Onshore oil concessions are held by another ADNOC company, the Abu Dhabi Company for Onshore Oil Operations, which is likewise partially owned by American, French, Japanese, and British interests. Other concessions also are held by…

Mubi, town, northeastern Adamawa state, northeastern Nigeria. It lies on the west bank of the Yedseram River, a stream that flows north into Lake Chad, and is situated on the western flanks of the Mandara Mountains. Probably founded in the late 18th century by the Fulani people, Mubi remained under

museum: History museums: The Museum of Civilizations from Europe and the Mediterranean (Mucem) absorbed some of the former museum’s collection and opened in Marseilles, France, in 2013. It endeavoured to offer a regional, as opposed to national, approach to cultural history. Outdoor museums preserving traditional architecture, sometimes in situ,…

Kenneth Branagh: …well as film versions of Much Ado About Nothing (1993); Hamlet (1996), for which he received an Oscar nomination for adapted screenplay; and Love’s Labour’s Lost (2000). In 1995 he appeared as Iago in the film Othello, and in 2006 he directed the film

Much Ado About Nothing, comedy in five acts by William Shakespeare, written probably in 1598–99 and printed in a quarto edition from the author’s own manuscript in 1600. The play takes an ancient theme—that of a woman falsely accused of unfaithfulness—to brilliant comedic heights. Shakespeare used

P.G. Wodehouse: …together, their ages unadvanced, in Much Obliged, Jeeves (1971), though they first appeared in a story in The Man with Two Left Feet (1917).

Much Wenlock, town (parish), Bridgnorth district, administrative and historic county of Shropshire, western England. The community is situated at the northeastern end of the sharp limestone ridge of Wenlock Edge. The Cluniac Priory of St. Mildburg, refounded in 1050 on the site of a 7th-century

Alphonse Mucha was an Art Nouveau illustrator and painter noted for his posters of idealized female figures. After early education in Brno, Moravia, and work for a theatre scene-painting firm in Vienna, Mucha studied art in Prague, Munich, and Paris in the 1880s. He first became prominent as the

Alphonse Mucha was an Art Nouveau illustrator and painter noted for his posters of idealized female figures. After early education in Brno, Moravia, and work for a theatre scene-painting firm in Vienna, Mucha studied art in Prague, Munich, and Paris in the 1880s. He first became prominent as the

Islamic arts: The modern period: For example, the 19th-century theorists Michel Muchaqa of Damascus and Mohammed Chehab al-Dīn of Cairo introduced the theoretical division of the scale into 24 quarter tones. In 1932 the international Congress of Arabian Music was held in Cairo, providing a forum for current analysis of subjects such as musical scales,…

Xuanzang was a Buddhist monk and Chinese pilgrim to India who translated the sacred scriptures of Buddhism from Sanskrit into Chinese and founded in China the Buddhist Consciousness Only school. His fame rests mainly on the volume and diversity of his translations of the Buddhist sutras and on the

Vespasian: Struggle for power: …the neighbouring governor of Syria, Gaius Licinius Mucianus. The matters discussed between the two commanders are unknown, but the circumstances cannot but raise the question whether they were already considering a bid for power. Vespasian seems to have claimed that further operations against the Jews required a directive from the…

carbohydrate: Homopolysaccharides: …lignin, the hemicelluloses, and the mucilaginous components. The cellulose then is processed to produce papers and fibers. The high resistance of cellulose to chemical or enzymatic breakdown is important in the manufacture of paper and cloth. Cellulose also is modified chemically for other purposes; e.g., compounds such as cellulose acetate…

mucous membrane: …mucus is a mucopolysaccharide called mucin.

vegetable farming: Site: …and the organic type called muck or peat. Mineral soils include sandy, loamy, and clayey types. Sandy and loamy soils are usually preferred for vegetable production. Soil reaction and degree of fertility can be determined by chemical analysis. The reaction of the soil determines to a great extent the availability…

Karl Muck was a German conductor considered one of the greatest conductors of the works of Richard Wagner. The son of an amateur musician, Muck obtained a Ph.D. in classical philology while virtually training himself in conducting. In 1880 he made his debut in Leipzig with the Gewandhaus Orchestra.

tunnels and underground excavations: Excavation and materials handling: Commonly, the mucker is a type of front-end loader that moves the broken rock onto a belt conveyor that dumps it into a hauling system of cars or trucks. As all operations are concentrated at the heading, congestion is chronic, and much ingenuity has gone into designing…

Shetland Islands: …point in the United Kingdom, Muckle Flugga—a lighthouse and group of rocks. Fair Isle, 24 miles (39 km) south of Mainland, belongs to the National Trust for Scotland and has an important ornithological observatory. The scenery of the Shetland Islands is wild and beautiful, with deeply indented coasts (the sea…

Marion, city, seat (1822) of Perry county, west-central Alabama, U.S. It is situated near the Cahaba River, about midway between Tuscaloosa (northwest) and Montgomery (southeast). Settled in 1817, it was known as Muckle’s Ridge until it was renamed to honour Francis Marion, a soldier in the

muckraker, any of a group of American writers identified with pre-World War I reform and exposé literature. The muckrakers provided detailed, accurate journalistic accounts of the political and economic corruption and social hardships caused by the power of big business in a rapidly industrializing

muckraker, any of a group of American writers identified with pre-World War I reform and exposé literature. The muckrakers provided detailed, accurate journalistic accounts of the political and economic corruption and social hardships caused by the power of big business in a rapidly industrializing

human respiratory system: Structural design of the airway tree: …is referred to as the mucociliary escalator.

leishmaniasis: …a complication referred to as mucocutaneous leishmaniasis, or espundia. Destruction of the lips, throat, palate, and larynx can ensue. Mucocutaneous leishmaniasis may not appear until years after an initial cutaneous lesion has healed.

Kawasaki syndrome, rare, acute inflammatory disease of unknown origin that is one of the leading causes of acquired heart disease in children. Kawasaki syndrome, which usually occurs in children of less than 5 years of age, was first described in Japan in 1967. It is characterized by prolonged

algae: The algal cell: …the class Raphidophyceae, has numerous mucocysts, which, when such cells are collected in a plankton net, discharge and render the net and its contents somewhat gummy.

mucus: Mucus is produced by mucous cells, which are frequently clustered into small glands located on the mucous membrane that lines virtually the entire digestive tract. Large numbers of mucous cells occur in the mouth, where mucus is used both to moisten food and to keep the oral membranes moist…

bone formation: …collagen, a fibrous protein, and mucopolysaccharide, an organic glue. Soon after the osteoid is laid down, inorganic salts are deposited in it to form the hardened material recognized as mineralized bone. The cartilage cells die out and are replaced by osteoblasts clustered in ossification centres. Bone formation proceeds outward from…

dwarfism: Several of the mucopolysaccharidoses (disorders of mucopolysaccharide metabolism) are characterized by dwarfism, often with mental retardation. Some infants having hereditary forms of dwarfism are stillborn or die soon after birth because of serious metabolic disorders.

Hurler’s syndrome, one of several rare genetic disorders involving a defect in the metabolism of mucopolysaccharides, the class of polysaccharides that bind water to unite cells and to lubricate joints. Onset of the syndrome is in infancy or early childhood, and the disease occurs with equal

Scheie’s syndrome: A related condition is Hurler-Scheie syndrome (MPS I H S), which causes dwarfism, progressive blindness, deafness, and heart failure.

Scheie’s syndrome, uncommon hereditary metabolic disease characterized by clawing of the hands, corneal clouding, incompetence of the aortic valve of the heart, and painful nerve compression in the wrist (carpal tunnel syndrome). The disease was described by Harold Scheie of the United States in

Hunter’s syndrome, rare sex-linked hereditary disorder that varies widely in its severity but is generally characterized by some degree of dwarfism, mental retardation, and deafness. The disease affects only males and makes its first appearance during the first three years of life. Many patients

Sanfilippo’s syndrome, rare hereditary (autosomal recessive) metabolic disease characterized by severe mental retardation. There are three varieties, each caused by a defect in a different enzyme involved in the breakdown of mucopolysaccharides, a group of substances important in the structure and

Morquio syndrome, rare hereditary disorder of intracartilaginous bone development that results in severe malformation of the skeleton (particularly the spine and long bones) and dwarfing. The disease is recognized within the first two years of life and is usually progressive until bone growth

Scheie’s syndrome, uncommon hereditary metabolic disease characterized by clawing of the hands, corneal clouding, incompetence of the aortic valve of the heart, and painful nerve compression in the wrist (carpal tunnel syndrome). The disease was described by Harold Scheie of the United States in

Maroteaux-Lamy syndrome, uncommon hereditary metabolic disease characterized by dwarfism, hearing loss, and progressive skeletal deformity. Onset of the disease is usually in early childhood, with some coarsening of facial features evident by the first birthday. Eye changes, consisting of corneal

protein: Mucoproteins and glycoproteins: The prosthetic groups in mucoproteins and glycoproteins are oligosaccharides (carbohydrates consisting of a small number of simple sugar molecules) usually containing from four to 12 sugar molecules; the most common sugars are galactose, mannose, glucosamine, and galactosamine. Xylose, fucose, glucuronic acid, sialic…

fungus: Annotated classification: Order Mucorales (pin molds) Parasitic or saprotrophic; filamentous; nonmotile spores (aplanospores); coenocytic mycelium; asexual reproduction by formation of sporangiospores; example genera include Mucor, Parasitella, Phycomyces, Pilobolus, and Rhizopus. Order Endogonales

Rhizopus: Mucormycosis (also called zygomycosis) is a rare and serious disease caused primarily by R. arrhizus in burn victims, individuals suffering from severe malnutrition, patients with diabetic ketoacidosis, or immunocompromised individuals, such as those with HIV/AIDS or certain cancers. The infection invades blood vessels

fungus: Annotated classification: Subphylum Mucoromycotina (incertae sedis; not assigned to any phylum) Parasitic, saprotrophic, or ectomycorrhizal (forms mutual symbiotic associations with plants); asexual or sexual reproduction; branched mycelium; contains 3 orders that represent the traditional Zygomycota. Order Mucorales (pin molds) Parasitic or saprotrophic;

mucous membrane, membrane lining body cavities and canals that lead to the outside, chiefly the respiratory, digestive, and urogenital tracts. Mucous membranes line many tracts and structures of the body, including the mouth, nose, eyelids, trachea (windpipe) and lungs, stomach and intestines, and

mucosal protective agent: The mucosal barrier is the name given to the barrier in the stomach that resists the back-diffusion of hydrogen ions. The barrier is a layer of thick mucus secreted together with an alkaline fluid. Since the mucus is a gel, it entraps the alkaline fluid so…

mucosal protective agent, any drug that protects the mucosal lining of the stomach from acidic gastric juices. The mucosal barrier is the name given to the barrier in the stomach that resists the back-diffusion of hydrogen ions. The barrier is a layer of thick mucus secreted together with an

human digestive system: Absorption: …that of tiny projections called villi. The villi usually vary from 0.5 to 1 mm in height. Their diameters vary from approximately one-eighth to one-third their height. The villi are covered by a single layer of tall columnar cells called goblet cells because of their rough resemblance to empty goblets…

mucus: Mucus is produced by mucous cells, which are frequently clustered into small glands located on the mucous membrane that lines virtually the entire digestive tract. Large numbers of mucous cells occur in the mouth, where mucus is used both to moisten food and to keep the oral membranes moist…

fish: The skin: Mucous glands, which aid in maintaining the water balance and offer protection from bacteria, are extremely numerous in fish skin, especially in cyclostomes and teleosts. Since mucous glands are present in the modern lampreys, it is reasonable to assume that they were present in primitive…

mucous membrane, membrane lining body cavities and canals that lead to the outside, chiefly the respiratory, digestive, and urogenital tracts. Mucous membranes line many tracts and structures of the body, including the mouth, nose, eyelids, trachea (windpipe) and lungs, stomach and intestines, and

mucus: Mucus is produced by mucous cells, which are frequently clustered into small glands located on the mucous membrane that lines virtually the entire digestive tract. Large numbers of mucous cells occur in the mouth, where mucus is used both to moisten food and to keep the oral membranes moist…

cystic fibrosis (CF), an inherited metabolic disorder, the chief symptom of which is the production of a thick, sticky mucus that clogs the respiratory tract and the gastrointestinal tract. Cystic fibrosis was not recognized as a separate disease until 1938 and was then classified as a childhood

Mucrospirifer, genus of extinct brachiopods (lamp shells) found as fossils in Middle and Upper Devonian marine rocks (the Devonian Period began 416 million years ago and lasted about 57 million years). Mucrospirifer forms are characterized by an extended hinge line of the two valves, or shells, of

St. Andrews, city, royal burgh (1160), university town, golfing mecca, and former fishing port in Fife council area and historic county, Scotland. Located on St. Andrews Bay of the North Sea 13 miles (20 km) southeast of Dundee, it occupies a plateau of sandstone rock about 50 feet (15 metres) in

African art: Kuba cultural area: Mucu Mushanga, their 27th king, was credited with the invention of fire, and he was the first to make clothing out of bark cloth. Shamba Bolongongo (c. 1600), the 93rd king, who introduced weaving and textile manufacture to his people, was also the first Kuba…

mucus, viscous fluid that moistens, lubricates, and protects many of the passages of the digestive and respiratory tracts in the body. Mucus is composed of water, epithelial (surface) cells, dead leukocytes, mucin, and inorganic salts. Mucus is produced by mucous cells, which are frequently