(Encyclopedia) elephant bird, extinct, flightless bird of the family Aepyornithidae. Once native to the island of Madagascar, these gigantic birds may have survived until as late as 1649. Today, they…
(Encyclopedia) chloramphenicolchloramphenicolklōrˌămfĕnˈəkŏlˌ [key], antibiotic effective against a wide range of gram-negative and gram-positive bacteria (see Gram's stain). It was originally…
(Encyclopedia) Eustachian tubeEustachian tubey&oomacr;stāˈshən [key] [for Bartolomeo Eustachi], a hollow structure of bone and cartilage extending from the middle ear to the rear of the throat,…
(Encyclopedia) Annaba Annaba ăn-näbˈə [key], formerly Bône (bōn), city, capital of Annaba prov., extreme NE Algeria, a port on the Mediterranean Sea. One of the country's…
(Encyclopedia) nose, olfactory and respiratory organ, located between the eyes. The external nose, composed of bone and cartilage, is the most prominent feature of the face in humans. The internal…
(Encyclopedia) magnetic resonance imaging (MRI), noninvasive diagnostic technique that uses nuclear magnetic resonance to produce cross-sectional images of organs and other internal body structures.…
(Encyclopedia) laminitislaminitislămˌənīˈtĭs [key], also called founder, inflammation of the lamina, the innermost layer of the hoof wall in horses, ponies, and donkeys. Although the condition…
(Encyclopedia) palatepalatepălˈĭt [key], roof of the mouth. The front part, known as the hard palate, formed by the upper maxillary bones and the palatine bones, separates the mouth from the nasal…
(Encyclopedia) WindhoekWindhoekvĭntˈh&oomacr;k [key], city (1991 pop. 147,056), capital of Namibia. It is Namibia's largest city and its administrative, communications, and economic center.…
(Encyclopedia) button, knoblike appendage used on wearing apparel either for ornament or for fastening. Although buttons were sometimes used as fasteners by Greeks and Romans, they were more often…
