planes of anesthesia

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• plane — 1. A two dimensional flat surface. See planum. 2. An imaginary surface formed by extension of a point through any axis or two definite points, in reference especially to craniometry and to pelvimetry. SYN: planum. [L. planus, flat] Addison …   Medical dictionary

• Guedel's classification — Since the invention of anesthesia in 1846, assessment of its depth was a problem. To determine the depth of anesthesia, anesthetist must rely on a series of physical signs of the patient. In 1847, John Snow (1813 1858) [ John Snow. Five stages of …   Wikipedia

• Nitrous oxide — N2O redirects here. For other uses, see N2O (disambiguation). Laughing gas redirects here. For other uses, see Laughing gas (disambiguation). Not to be confused with nitric oxide (formula NO) or nitrogen dioxide (formula NO2). For other uses, see …   Wikipedia

• nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

• Condor Legion — Legion Condor Condor Legion Standard of the Condor Legion Active July 1936 – March 1939 Country …   Wikipedia

• George Weller — ‘otheruses4|the writer|the elderly motorist in a fatal car accident|George Russell WellerGeorge Anthony Weller (1907 ndash;2002) was an American novelist, playwright, and Pulitzer Prize winning journalist for The New York Times and Chicago Daily… …   Wikipedia

• china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …   Universalium

• China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …   Universalium

• Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… …   Wikipedia

• Saburo Sakai — Lieutenant junior grade Saburo Sakai 坂井三郎 Sakai Saburō (August 25, 1916 ndash; September 22, 2000) was a Japanese naval aviator and fighter ace ( Gekitsui O , 撃墜王) of the Imperial Japanese Navy during World War II. Sakai was the Imperial Navy s… …   Wikipedia

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