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mosquito

(Encyclopedia)mosquito məskēˈtō [key], small, long-legged insect of the order Diptera, the true flies. The females of most species have piercing and sucking mouth parts and apparently they must feed at least on...

fats and oils

(Encyclopedia)fats and oils, group of organic substances that form an important part of the diet and also are useful in many industries. The fats are usually solid, the oils generally liquid at ordinary room temper...

cancer, in medicine

(Encyclopedia)cancer, in medicine, common term for neoplasms, or tumors, that are malignant. Like benign tumors, malignant tumors do not respond to body mechanisms that limit cell growth. Unlike benign tumors, mali...

brain

(Encyclopedia)CE5 Brain brain, the supervisory center of the nervous system in all vertebrates. It also serves as the site of emotions, memory, self-awareness, and thought. Brain research, now often referred ...

Obregón, Álvaro

(Encyclopedia)Obregón, Álvaro älˈvärō ōbrāgōnˈ [key], 1880–1928, Mexican general and president (1920–24). A planter in Sonora, he supported Francisco I. Madero in the revolution against Porfirio Díaz...

macaque

(Encyclopedia)macaque məkäkˈ [key], name for Old World monkeys of the genus Macaca, related to mangabeys, mandrills, and baboons. All but one of the 19 species are found in Asia from Afghanistan to Japan, the Ph...

mite

(Encyclopedia)mite, small, often microscopic arachnid that belongs to several orders in the subclass Acari (or Acarina), to which the tick also belongs; mites and ticks are related to the spiders. The unsegmented m...

mammary gland

(Encyclopedia)mammary gland, organ of the female mammal that produces and secretes milk for the nourishment of the young. A mammal may have from 1 to 11 pairs of mammary glands, depending on the species. Generally,...

Tóibín, Colm

(Encyclopedia)Tóibín, Colm, 1955–, Irish writer, b. Enniscorthy, Co. Wexford, grad. University College, Dublin (1975). A prolific and varied author who prose is lucid and often brilliant, Tóibín has written n...

composition, in ancient and medieval law

(Encyclopedia)composition, in ancient and medieval law, a sum of money paid by a guilty party as satisfaction to the family of the person who was injured or killed. Failure to make the payment might justify retalia...