منابع مشابه
Primitive surgery. Skills before science
SPENCER L. ROGERS, Primitive surgery. Skills before science. Springfield, Illinois, Charles C Thomas, 1985, 8vo, pp.x, 128, $19-75. The author, an anthropologist, reviews surgical practice from neolithic times, through the classical period to recent aboriginal peoples. Surgical practice in Egypt, Greece, Rome, and India is briefly described. Special attention is paid to North and South America,...
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Given a knot K in a 3–manifold, the following operation is called Dehn surgery on K : Remove an open regular neighborhood of K , and glue a solid torus back. Dehn surgeries on the trivial knot in the 3–sphere S give the well-known class of 3– manifolds, the so-called lens spaces. On the other hand, it is known that only restricted Dehn surgeries on nontrivial knots yield lens spaces. Such a non...
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Old Chinese and Egyptian physicians used some chemical methods for the treatment of wounds and injuries. Although the beneficial effect of passing surgical instruments through flame was well known to ancient civilizations, the heat as a preservative method in medical industry, was first introduced in 1809 in France. Joseph Lister (1827–1912) believed that it was microbes carried in the air that...
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In this paper, we describe the primitive ideal space of the $C^*$-algebra $C^*(mathcal G)$ associated to the ultragraph $mathcal{G}$. We investigate the structure of the closed ideals of the quotient ultragraph $ C^* $-algebra $C^*left(mathcal G/(H,S)right)$ which contain no nonzero set projections and then we characterize all non gauge-invariant primitive ideals. Our results generalize the ...
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Primitive neuroectodermal tumor (PENETs) is an uncommon malignancy of bone and soft tissue witch rarely occurs in the kidney. In more than 90% of the cases, the tumor cells relieves a balanced translocation (11; 22) (q24; q12). Immunohistochemical staining may be required for diagnosis of PENET. The cells of tumor express CD99, vimentin, NSE, FL1 but do not express Ck, LCA, myogenin, and WT1. W...
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ژورنال
عنوان ژورنال: American Anthropologist
سال: 1947
ISSN: 0002-7294,1548-1433
DOI: 10.1525/aa.1947.49.1.02a00030