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blowfly
(Encyclopedia)blowfly, name for flies of the family Calliphoridae. Blowflies are about the same size as, and resemble, the housefly; because they are usually metallic blue or green they are also called bluebottle o...Pasteur, Louis
(Encyclopedia)Pasteur, Louis păstŭrˈ, Fr. lwē pästörˈ [key], 1822–95, French chemist. He taught at Dijon, Strasbourg, and Lille, and in Paris at the École normale supérieure and the Sorbonne (1867–89)....ovum
(Encyclopedia)ovum ōˈvəm [key], in biology, specialized plant or animal sex cell, also called the egg, or egg cell. It is the female sex cell, or female gamete; the male gamete is the sperm. The study of the ovu...stem cells
(Encyclopedia)stem cells, unspecialized human or animal cells that can produce mature specialized body cells and at the same time replicate themselves. Embryonic stem cells are derived from a blastocyst (the blastu...El Dorado, legendary country of South America
(Encyclopedia)El Dorado ĕlˈdəräˈdō, –rāˈ– [key] [Span.,=the gilded man], legendary country of the Golden Man sought by adventurers in South America. The legend supposedly originated in a custom of the C...Lyme disease
(Encyclopedia)Lyme disease or Lyme borreliosis, a nonfatal bacterial infection that causes symptoms ranging from fever and headache to a painful swelling of the joints. The first American case of Lyme's characteris...Aral Sea
(Encyclopedia)Aral Sea ărˈəl [key], salt lake, SW Kazakhstan and NW Uzbekistan, E of the Caspian Sea in an area of interior drainage. To the north and west are the edges of the arid Ustyurt Plateau; the Kyzyl Ku...infection
(Encyclopedia)infection, invasion of plant or animal tissues by microorganisms, i.e., bacteria, viruses, viroids, fungi, rickettsias, and protozoans. The invasion of body tissues by parasitic worms and other higher...alphabet
(Encyclopedia)CE5 Examples of letters in various alphabets (arrows indicate the direction of reading) alphabet [Gr. alpha-beta, like Eng. ABC], system of writing, theoretically having a one-for-one relation bet...silkworm
(Encyclopedia)silkworm, name for the larva of various species of moths, indigenous to Asia and Africa but now domesticated and raised for silk production throughout most of the temperate zone. The culture of silkwo...Browse by Subject
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