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spinal puncture
(Encyclopedia)spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or anesthetics (see anesth...Halsted, William Stewart
(Encyclopedia)Halsted, William Stewart hôlˈstĭd [key], 1852–1922, American surgeon, b. New York City, M.D. College of Physicians and Surgeons, 1877. He practiced in New York and in 1886 became the first profes...nitrous oxide
(Encyclopedia)nitrous oxide or nitrogen (I) oxide, chemical compound, N2O, a colorless gas with a sweetish taste and odor. Its density is 1.977 grams per liter at STP. It is soluble in water, alcohol, ether, and ot...Huxley, Sir Andrew Fielding
(Encyclopedia)Huxley, Sir Andrew Fielding, 1917–2012, British physiologist, educated at University College, London; grandson of Thomas Henry Huxley, half-brother of Sir Julian Huxley and Aldous Huxley. He finishe...atropine
(Encyclopedia)atropine ătˈrəpēn, –pĭn [key], alkaloid drug derived from belladonna and other plants of the family Solanaceae (nightshade family). Available either as the tincture or extract of belladonna, or...scopolamine
(Encyclopedia)scopolamine hīˈəsēnˌ, –sĭn [key], alkaloid drug obtained from plants of the nightshade family (Solanaceae), chiefly from henbane, Hyoscyamus niger. Structurally similar to the nerve substance ...dentistry
(Encyclopedia)dentistry, treatment and care of the teeth and associated oral structures. Dentistry is mainly concerned with tooth decay, disease of the supporting structures, such as the gums, and faulty positionin...gynecology
(Encyclopedia)gynecology gīnˌəkŏlˈəjē [key], branch of medicine specializing in the disorders of the female reproductive system. Modern gynecology deals with menstrual disorders, menopause, infectious diseas...obstetrics
(Encyclopedia)obstetrics ŏbstĕˈtrĭks [key], branch of medicine concerned with the treatment of women during pregnancy, labor, childbirth (see birth), and the time after childbirth. Obstetricians work to ensure ...phenothiazine
(Encyclopedia)phenothiazine fēˌnəthīˈəzĭn [key], any one of a class of drugs used to control mental disorders. Phenothiazines, along with other antipsychotic, or neuroleptic, drugs are used for such disorder...Browse by Subject
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