(from the article "dye") ...laxatives, a property said to have been discovered after it was used to enhance the colour of wine. While these compounds lack fastness, some derivatives are useful dyes. Tetrabromofluorescein, or ...
(from the article "blood") Eosinophils, like other granulocytes, are produced in the bone marrow until they are released into the circulation. Although about the same size as neutrophils, the eosinophil contains larger granules, and ...
(from the article "blood disease") Eosinophilic leukocytosis, an increase in the number of eosinophilic leukocytes, is encountered in many allergic reactions and parasitic infections. It is especially characteristic of trichinosis-a disorder resulting from infestation by ...
(from the article "respiratory disease") Also known as pulmonary histiocytosis X, this disease causes granulomas associated with eosinophil cells, a subgroup of the white blood cells. It sometimes also causes lesions in bone. Eosinophilic granuloma ...
genus of extinct brachiopods, or lamp shells, found as fossils in Middle Silurian to Lower Devonian marine rocks (the Silurian Period ended and the following Devonian Period began about 416 ...
(from the article "Permian Period") ...aquatic reptiles ancestral to archosaurs (dinosaurs, crocodiles, and birds); the captorhinomorphs, "stem reptiles" from which most other reptiles are thought to have evolved; eosuchians, early ancestors of the snakes and ...
novelist, essayist, educator, and statesman, whose life and writings were devoted to the creation of a modern Hungarian literature and to the establishment of a modern democratic Hungary. [2 Related Articles]
Hungarian physicist who introduced the concept of molecular surface tension. His study of the Earth's gravitational field-which led to his development of the Eotvos torsion balance, long unsurpassed in precision-resulted ... [2 Related Articles]
(from the article "art, African") Typical of Ekiti is the Epa cult, which is connected with both the ancestors and agriculture. The mask proper, roughly globular, has highly stylized features that vary little; but the ...
(from the article "calendar") ...from the date they indicated. It was Lilius who had proposed a more accurate system based on one that had already been in use unofficially while the Julian calendar was ...
Theban statesman and military tactician and leader who was largely responsible for breaking the military dominance of Sparta and for altering permanently the balance of power among the Greek states. ... [4 Related Articles]
(Greek: "Introduction"), legal code compiled c. 879, during the reign of the Byzantine emperor Basil I, intended as the introduction to a comprehensive collection of laws to be published in ... [1 Related Articles]
the repetition of a word or phrase after intervening language, as in the first line of Algernon Charles Swinburne's "Itylus":Swallow, my sister, O sister swallow,How can thine heart be full ...
(from the article "Pylos") ...BC. An impressive Mycenaean palace compound that was occupied from about 1700 BC to just before 1200 was unearthed north of present Pylos-Navarino-Neokastro in 1939. This Epano Englianos palace, together ...
(from the article "Io") ...earth, crossed the Ionian Sea, swam the strait that was thereafter known as the Bosporus (meaning Ox-Ford), and at last reached Egypt, where she was restored to her original form ...
the leading Byzantine government official from the 6th to the 11th century, entrusted with the authority to maintain public order and safety in Constantinople (modern Istanbul), the Byzantine capital. Called ...
(from the article "Iran, ancient") ...rose in rebellion and overthrew the 3rd Ur dynasty, an event long remembered in Mesopotamian dirges and omen texts. About the mid 19th century BC, power in Elam passed to ...
(from the article "dance") ...The body is nearly always held erect, apart from controlled arches in the back or a slight turning of the shoulders toward or away from the working leg. This positioning ...
(from the article "oriole") ...Bullock's oriole (I. bullockii). The orchard oriole (I. spurius), black and chestnut, occurs over the eastern United States and Mexico. Among the tropical forms of icterids are the epaulet oriole ...
(from the article "Pterostyrax") ...four species of deciduous trees or shrubs, of the storax family (Styracaceae), native to East Asia. A few species, notably P. hispidus and P. corymbosus, both of which are called ...
(from the article "Old World fruit bat") Asian representatives of the family include various tube-nosed bats and the abundant short-nosed fruit bats (Cynopterus). Among African members of the family are the epauletted fruit bats (Epomophorus), in which ...
(from the article "muscle") ...of the trunk and tail (a single block in cyclostomes) differentiates into dorsal and ventral components, which are separated by connective tissue. The dorsal block of muscle is known as ...
theme park in the Walt Disney World Resort, near Orlando, Fla., that features many attractions centred on the advancement of technology. [1 Related Articles]
town and port, Lagos State, southwestern Nigeria; it lies on the north bank of the coastal Lagos Lagoon and has road connections to Ijebu-Ode and Ikorodu. A traditional settlement of ...
blunted sword developed in the 19th century for use in fencing practice and competition. The epee was patterned after the epee du combat, the standard dueling sword of its day. ... [1 Related Articles]
(from the article "sign language") ...in many cultures that deaf-mutes were ineducable, and the few teachers willing to try were available only to the wealthy. In the mid-18th century, however, the first educator of poor ...
in geology, broad regional upwarp of the cratonic (stable interior) portions of continents. In contrast to orogeny (q.v.), epeirogeny takes place over broad, nonlinear areas, is relatively slow, and results ... [5 Related Articles]
(from the article "Trojan horse") huge, hollow wooden horse constructed by the Greeks to gain entrance into Troy during the Trojan War. The horse was built by Epeius, master carpenter and pugilist. The Greeks, pretending ...
Argentine human rights activist who helped found the Mothers of the Plaza de Mayo to protest the disappearance of their children during the dictatorship of the military regime and to ...
dining table centrepiece-usually of silver-that generally sits on four feet supporting a central bowl and four or more dishes held by radiating branches and used to serve pickles, fruits, nuts, ...
town, Marne departement, Champagne-Ardenne region, northeastern France. It lies on the left bank of the Marne River, 17 miles (27 km) south-southwest of Reims. The archbishops of Reims held it ...
in ancient Greece, any male who had attained the age of puberty. In Athens it acquired a technical sense, referring to young men aged 18-20. From about 335 BC they ... [1 Related Articles]
the only genus of the family Ephedraceae (division Gnetophyta), an evolutionally isolated group of low, straggling, or climbing gymnospermous desert shrubs and the only family in the order Gnetales of ... [5 Related Articles]
(from the article "gnetophyte") Shrubs to small trees; small leaves with 2 or 3 veins; mature cones often become fleshy and brightly coloured; 1 family, Ephedraceae; 1 genus, Ephedra, with 65 species.Mostly vines, ...
alkaloid used as a decongestant drug. It is obtainable from plants of the genus Ephedra, particularly the Chinese species E. sinica, and it has been used in China for more ... [7 Related Articles]
(from the article "desert") Another typical feature of desert floras is their large proportion of ephemeral plants, which survive dry periods as resistant, dormant seeds. After a rain, the seeds germinate at once and ...
(from the article "commentarii") ...and edicts, all set down with official authority. There were also commentarii diurni, a journal of daily events at the emperor's court, which later became a system of records known ...
table giving the positions of one or more celestial bodies, often published with supplementary information. Ephemerides were constructed as early as the 4th century BC and are still essential today ... [4 Related Articles]
(ET), the first dynamical time scale in history; it was defined by the International Astronomical Union in the 1950s and was superseded by Barycentric Dynamical Time in 1984. (See dynamical ... [5 Related Articles]
(from the article "bryophyte") ...(many species in the moss family Splachnaceae), somewhat shaded cavern mouths (the liverwort Cyathodium and the mosses Mittenia and Schistostega), leaf surfaces (the moss Ephemeropsis and the liverwort genus Metzgeria ...
(from the article "bryophyte") ...Fontinalis). They are generally less than 3 to 6 centimetres tall, and reclining forms are usually less than 2 centimetres long. Some, however, are less than 1 millimetre in size ...
New Testament writing once thought to have been composed by Paul in prison but more likely the work of one of Paul's disciples, who probably wrote the text sometime before ... [3 Related Articles]
leader of the radical democrats at Athens in the 460s, who by his reforms prepared the way for the final development of Athenian democracy. His hostility toward Sparta and his ... [5 Related Articles]
part of the ceremonial dress of the high priest of ancient Israel described in the Old Testament (Ex. 28:6-8; 39:2-5). It was worn outside the robe and probably kept in ... [2 Related Articles]
(Greek ephoros), title of the highest Spartan magistrates, five in number, who with the kings formed the main executive wing of the state. In antiquity, time periods were recorded by ... [3 Related Articles]
Greek historian, the author of the first universal history, who, despite his defects, was esteemed in Classical times and is considered the best of the historians writing in his period. [1 Related Articles]
Christian theologian, poet, hymnist, and doctor of the church who, as doctrinal consultant to Eastern churchmen, composed numerous theological-biblical commentaries and polemical works that, in witnessing to the common Christian ... [4 Related Articles]
one of the 12 tribes of Israel that in biblical times comprised the people of Israel who later became the Jewish people. The tribe was named after one of the ... [3 Related Articles]
city, seat (1909) of Grant county, central Washington, U.S., near the south end of Grand Coulee Dam. Settled in 1882 by ranchers who raised horses, the community was named in ...
U.S. Protestant monastic settlement, an offshoot of the Germantown Dunkers, founded in 1732 by Johann Conrad Beissel on Cocalico Creek in Lancaster County, Pa.; the present town of Ephrata grew ... [3 Related Articles]
(from the article "jellyfish") The life cycle of free-swimming scyphozoan jellyfish typically consists of three stages. A sessile polyp (scyphistoma) stage asexually buds off young medusae from its upper end, with each such ephyra ...
island of Vanuatu, in the southwestern Pacific Ocean. It is volcanic in origin and is 27 miles (43 km) long and 11 miles (18 km) wide, with an area of ...
(from the article "animal development") ...animals is partial (meroblastic), and, at its conclusion, the embryo consists of a disk-shaped group of cells lying on top of a mass of yolk. This cell group often splits ...
(from the article "animal development") ...inappropriate term, since no growth or increase of mass is involved. The future ectoderm simply thins out, expands, and covers a greater surface of the embryo in a movement known ...
(from the article "bivalve") ...older group that is epibyssate (that is, anchored to rocks) dominates hard substrates. The subclass is made up of oysters, mussels, jingle shells, and others. Some of their older representatives ...
long narrative poem recounting heroic deeds, although the term has also been loosely used to describe novels, such as Tolstoy's War and Peace, and motion pictures, such as Eisenstein's Ivan ... [45 Related Articles]
(from the article "caesura") ...stressed or long syllable, and the feminine caesura, which follows an unstressed or short syllable. The feminine caesura is further divided into the epic caesura and the lyric caesura. An ...
convention of language and theme peculiar to oral epic poetry that is often carried over to the written form. The most obvious epic formulas are the "fixed epithets," stereotyped descriptive ...
an extended simile often running to several lines, used typically in epic poetry to intensify the heroic stature of the subject and to serve as decoration. An example from the ... [1 Related Articles]
form of didactic drama presenting a series of loosely connected scenes that avoid illusion and often interrupt the story line to address the audience directly with analysis, argument, or documentation. ... [5 Related Articles]
(from the article "Middle American Indian") ...stature (155-160 centimetres or a little over five feet on the average), with brown to coppery skin, straight black hair, and dark-brown eyes often set above high cheek bones, sometimes ...
(from the article "human cardiovascular system") ...The portion of membrane lining the fibrous pericardium is known as the parietal serous layer (parietal pericardium), that covering the heart as the visceral serous layer (visceral pericardium or epicardium).
point on the surface of the Earth that is directly above the underground point (called the focus) where fault rupture commences, producing an earthquake. The effects of the earthquake may ... [5 Related Articles]
Greek poet who, according to the Suda lexicon of the 10th century AD, was the originator of Sicilian (or Dorian) comedy. He was born in a Dorian colony, either Megara ... [3 Related Articles]
(from the article "orchid") ...a strangely formed lip divided into three parts: a globular- or hood-shaped portion called the hypochile above; an elongate, sometimes fluted part, the mesochile; and a bucket-shaped epichile. The epichile ...
(from the article "sedimentary rock") There are two principal types of epiclastic conglomerates and breccias: intraformational, derived penecontemporaneously by eroding, transporting, and depositing material from within the depositional basin itself; and interformational, derived from source ...
(from the article "sedimentary rock") There are two principal types of epiclastic conglomerates and breccias: intraformational, derived penecontemporaneously by eroding, transporting, and depositing material from within the depositional basin itself; and interformational, derived from source ...
(Greek: "invocation"), in the Christian eucharistic prayer (anaphora), the special invocation of the Holy Spirit; in most Eastern Christian liturgies it follows the words of institution-the words used, according to ...
(from the article "Cretaceous Period") As a result of higher sea levels during the Late Cretaceous, marine waters inundated the continents, creating relatively shallow epicontinental seas in North America, South America, Europe, Russia, Africa, and ...
(from the article "lepidopteran") ...larvae usually lack last pair of prolegs; subfamilies Thyatirinae and Epibleminae sometimes classified as families.25 species in Arctic and tropical Asia; colourful day-flying moths that often mimic ...
(from the article "tree") ...leaves, buds may form outside the apical meristem. This is called adventitious growth. When a bole of a tree that has been shaded for a number of years is suddenly ...
(from the article "angiosperm") The mature embryo is a miniature plant consisting of a short axis with one or two attached cotyledons. An epicotyl, which extends above the cotyledon(s), is composed of the shoot ...
Greek potter and painter who worked in Athens. His work is praised for its care, grace, vitality, delicate line, and fine draftsmanship. He signed his works as both maker and ...
Greek philosopher associated with the Stoics, remembered for the religious tone of his teachings, which commended him to numerous early Christian thinkers. [6 Related Articles]
in a strict sense, the philosophy taught by Epicurus (341-270 BC). In a broad sense, it is a system of ethics embracing every conception or form of life that can ... [9 Related Articles]
Greek philosopher, author of an ethical philosophy of simple pleasure, friendship, and retirement. He founded schools of philosophy that survived directly from the 4th century BC until the 4th century ... [12 Related Articles]
(from the article "arthropod") ...which not only functions in support but also provides protection and, with the muscle system, contributes to efficient locomotion. The exoskeleton is composed of a thin, outer protein layer, the ...
(from the article "mechanics") ...the Earth. This picture worked well enough for the stars but not for the planets. To "save the appearances" (fit the observations) an elaborate system emerged of circular orbits, called ...
in ancient Greece, important commercial centre on the eastern coast of the Argolid in the northeastern Peloponnese; it is famed for its 4th-century-BC temple of Asclepius, the god of healing. ... [2 Related Articles]
according to Aristotle, a type of suasive speech designed primarily for rhetorical effect. Epideictic oratory was panegyrical, declamatory, and demonstrative. Its aim was to condemn or to eulogize an individual, ... [1 Related Articles]
an occurrence of disease that is temporarily of high prevalence. An epidemic occurring over a wide geographical area (e.g., worldwide) is called a pandemic. The rise and decline in epidemic ... [20 Related Articles]
(from the article "conjunctivitis") ...of viruses whose disease-causing members may cause respiratory infections or may survive for long periods in lymphoid tissue (e.g., in the tonsils), may attack the conjunctiva and cornea, causing epidemic ...
(from the article "Some disease-causing rickettsiae") Epidemic typhus has also been called camp fever, jail fever, and war fever, names that suggest overcrowding, underwashing, and lowered standards of living. It is caused by the bacterium
(from the article "population") The epidemiologic transition is that process by which the pattern of mortality and disease is transformed from one of high mortality among infants and children and episodic famine and epidemic ...
branch of medical science that studies the distribution of disease in human populations and the factors determining that distribution, chiefly by the use of statistics. Unlike other medical disciplines, epidemiology ... [11 Related Articles]
genus of tropical orchids, family Orchidaceae, with about 1,000 species that are distributed from southeastern North America to central South America. Epidendrum species are primarily epiphytic (supported by other plants ...
(from the article "orchid") ...but in some cases they diverge considerably. Many orchids of the Western Hemisphere appear to have adapted to bird pollination as an extension of butterfly pollination, and, as in the ...
(from the article "Cohen, Stanley") ...contained the nerve growth factor. He discovered that this substance caused the eyes of newborn mice to open and their teeth to erupt several days sooner than normal. Cohen termed ...
(from the article "integument") Epidermal scales are horny, tough extensions of the stratum corneum. Well developed in reptiles, they are also common on exposed skin in birds and mammals. Such scales are periodically molted ...
any of several hard, horny projections analogous to but not homologous with true teeth (see tooth). Epidermal teeth are found in the jawless fish (e.g., lampreys), on the edges of ...
in zoology, protective outermost portion of the skin. There are two layers of epidermis, the living basal layer, which is next to the dermis, and the external stratum corneum, or ... [9 Related Articles]
in botany, outermost, protoderm-derived layer of cells covering the stem, root, leaf, flower, fruit, and seed parts of a plant. The epidermis and its waxy cuticle provide a protective barrier ... [7 Related Articles]
(from the article "skin disease") ...Environmental influences, such as sunburn and light-sensitive, drug-induced reactions, may also play a major role. Psoriasis and the rare hereditary blistering disorders collectively called epidermolysis bullosa owe their distributions to ...
either of a pair of elongated crescent-shaped structures attached to each of the two male reproductive organs, the testes (see testis). Sperm cells produced in the testes are transported to ... [7 Related Articles]
inflammation of the epididymis, the cordlike structure that runs along the posterior of the testis (testicle) and contains spermatozoa. In young men, epididymitis is most often caused by sexually transmitted ...
