electric organ
electric organ An organ occurring on the body or tail of certain fish, such as the electric ray (
Torpedo) and electric eel (
Electrophorus electricus). It gives an electric shock when touched and is used either to stun prey or predators or, in some species, to maintain a weak electric field in the surrounding water that is used in navigation. The organ is composed of modified muscle cells (
electroplate or
electroplax cells), nervous stimulation of which greatly increases the potential difference across the cell. The electroplates are in series so a high overall voltage can be achieved.
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This week in Jewish history
Newspaper article from: Jerusalem Post; 3/3/2002; ; 700+ words
; ...Regulations for Men-of-War, 1862 Yahrzeit of August von Wassermann, German bacteriologist and immunologist, one of the founders of immunology, inventor (1906) of the Wassermann Test for syphilis, author of Handbuch der pathogenen...
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Wassermann, August von
Book article from: World of Forensic Science
Wassermann, August von 2/21/1866 – 3/16/1925 GERMAN BACTERIOLOGIST August von Wassermann discovered a blood serum test that enabled physicians to determine...
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August von Wassermann
Book article from: The Columbia Encyclopedia, Sixth Edition
August von Wassermann , 1866-1925, German physician and bacteriologist...typhoid, and tetanus, he devised the Wassermann test (1906), used in the diagnosis of...leprosy), also sometimes produce a positive Wassermann reaction.
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Syphilis Test
Book article from: Medical Discoveries
...the bacteria without harming healthy cells. Wassermann Test The first effective test for syphilis...1906 by German physician and bacteriologist August von Wassermann (1866-1925). Wassermann was influenced by Ehrlich's work. Wassermann...
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Syphilis
Book article from: American Decades
...of the disease. Early Tests August von Wassermann created the first test for syphilis in 1906. The Wassermann test consisted of examining...fight the disease. Although the Wassermann test was a useful tool in a...
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Kahn, Reuben Leon 1887-1974
Book article from: American Decades
...effective test for syphilis was developed in 1906 by August von Wassermann. The Wassermann test was welcomed as the best way to detect the...physicians and scientists tried to improve the Wassermann test, none succeeded until Reuben Kahn did so...
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