Infection, Dacryocystitis and dacryoadenitis

Inflammation of the tear sac, called dacryocystitis, is a common pediatric infection. It usually occurs after a long-term obstruction of the nasolacrimal duct (a tube that connects the eye with the nose, allowing proper drainage of the eye's secretions). This infection, caused by staphylococci or streptococci, produces tender swelling in the inner corner of the eye

Amur River, Physiography

The Amur and its tributaries drain a basin of about 716,200 square miles (1,855,000 square km). The Amur proper begins at the confluence of the Shilka and the Argun (Ergun) rivers, 1,755 miles (2,824 km) from its mouth. The Shilka begins more than 340 miles (550 km) farther inland in Siberia at the junction of the Ingoda and Onon rivers, whose ultimate sources lie more than 300 miles (500 km) farther southwest in the Yablonovy

Lorentz, Pare

Lorentz was a well-known movie critic in New York City when, in 1935, he was requested to set up a federal government film program that would effectively highlight the problems

Baptist Missionary Association Of America

Association of independent, conservative Baptist churches, organized as the North American Baptist Association in Little Rock, Ark., in 1950, in protest against the American Baptist Association's policy of seating messengers at meetings who were not members of the churches that elected them. The present name was adopted in 1968. These churches cooperate in missions and

Naval Warfare, War from land to sea and from sea to land

While navies have always had as their ultimate objective an influence over events on land, aircraft and missiles have extended the range and amplified the influence. Likewise, land-based systems have made their growing influence felt on warships and sea-lanes alike. Putting ground forces ashore from the sea by amphibious landing is an operation that has neither

Performing Arts, Canada.

Unusually, one of the most highly profiled North American films of the year was a documentary, Michael Moore's devastating study of American gun culture, Bowling for Columbine. With Ararat, Atom Egoyan investigated the Turkish genocide of the Armenians in 1915 through the eyes of a filmmaker (played by Charles Aznavour) researching a film. In Spider, David Cronenberg abandoned

Ka

Also spelled  Koi,   in ancient Egyptian religion, with ba and akh, a principal aspect of the soul of a human being or of a god. The exact significance of ka remains a matter of controversy, chiefly for lack of an Egyptian definition; the usual translation “double” is incorrect. Written by a hieroglyph of uplifted arms, it seemed originally to have designated the protecting divine spirit of

France, History Of, The religious wars and the monarchy

This succession of civil disturbances brought the French state close to disintegration and posed a threat to the crown that would not be matched again until 1789. The key factor in producing this situation lay in the nature of Calvinism, which provided both a rallying point for a wide cross section of opposition and the organization necessary to make that opposition

Qatar

In 2002 Qatar continued to figure prominently in regional and international news, largely as a result of its ongoing chairmanship of the Organization of the Islamic Conference and its 57 member countries. Qatar was a prominent interlocutor with international and regional organizations and, in particular, with the United Nations, the United States, and other allied