The cilia are usually arranged in rows, known as
Son of a veteran of the peasant army of César Augusto Sandino, Ortega moved with his family to Managua in the mid-1950s. He briefly attended the Central American University in Managua, then in 1963 he went
The discovery of an abnormally high concentration of the rare metal iridium at, or very close to, the KT boundary provides what has been recognized as one of those rare instantaneous geologic time markers that seem to be worldwide. This iridium anomaly, or spike, was first found by Walter Alvarez in the CretaceousTertiary stratigraphic sequence at Gubbio, Italy,
Also called Thyrocalcitonin, a protein hormone secreted in humans and other mammals by parafollicular cells in the thyroid gland, and in birds, fishes, and other nonmammalian vertebrates by cells of the ultimobranchial bodies, which are discrete calcitonin-secreting glands. Calcitonin lowers the concentration of calcium in the blood when it rises above the normal value. It has the opposite
Also called Darnel, noxious weed of the ryegrass (q.v.) genus Lolium.
British-born Irish journalist, film producer, author, and sports administrator (b. July 30, 1914, London, Eng.d. April 25, 1999, Dublin, Ire.), served as president (197280) of the International Olympic Committee (IOC) during a turbulent period marked by boycotts and international disputes. He inherited the title of Baron Killanin when his uncle died in 1927, and he attended the Sorbonne (1932) in Paris and Magdalene
Village, Kauai county, on the north central coast of Kauai Island, Hawaii, U.S. Near the head of Hanalei (crescent) Bay, the village is in the scenic and fertile Hanalei or Hanohano (majestic) Valley (3,439 ft [1,048 m] deep), one of the state's few rice-producing regions. While some cattle are raised, the villagers are primarily paddy, taro, and vegetable farmers. Missionaries arrived at the