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Rockefeller University

(Encyclopedia) Rockefeller University, philanthropic organization in New York City, founded 1901 as the Rockefeller Institute for Medical Research by John D. Rockefeller for furthering medical…

shell

(Encyclopedia) shell, in zoology, hard outer covering secreted by an animal for protection. It is also called the test, crust, or carapace. The term usually refers to the calcareous shells of the…

pharmacology

(Encyclopedia) pharmacology, study of the changes produced in living animals by chemical substances, especially the actions of drugs, substances used to treat disease. Systematic investigation of the…

Orlando, city, United States

(Encyclopedia) OrlandoOrlandoôrlănˈdō [key], city (1990 pop. 164,693), seat of Orange co., central Fla., in a lake region; inc. 1875. In a citrus fruit and farm area, it is one of the world's most…

trunkfish

(Encyclopedia) trunkfish, any member of a family of fishes, Ostraciidae, also called boxfishes, that have short triangular bodies covered by firmly united hexagonal bony plates. Only the jaw, the…

species

(Encyclopedia) species, in biology, a category of classification, the original and still the basic unit in the demarcation of plant and animal types. The species marks the boundary between…

flying lemur

(Encyclopedia) flying lemur, gliding mammal native to the tropical lowland forests of S Asia, Malaya, and the Philippines. Also called the colugo, the flying lemur is brownish or grayish above and…

fumaric acid

(Encyclopedia) fumaric acidfumaric acidfy&oomacr;mărˈĭk [key] or trans-butenedioic acid, HO2CCH=CHCO2H, unsaturated dicarboxylic acid that melts at 287℃. Maleic acid, or cis-butenedioic acid, is…

cape buffalo

(Encyclopedia) cape buffalo, species of short-haired African ungulate, or hoofed mammal, Syncerus caffer. The cape, or African, buffalo may reach 7 ft (2.1 m) in length, weigh more than 1,500 lb (670…

caribou, in zoology

(Encyclopedia) caribou, name in North America for the genus (Rangifer) of deer from which the Old World reindeer was originally domesticated. Caribou are found in arctic and subarctic regions. They…