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arm |
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arm (ahrm) 1. brachium; the part of the upper limb from the shoulder to the elbow. 2. in common usage, the entire upper limb. 3. a slender part or extension that projects from a main structure.
arm, n an extension or projection of a removable partial denture framework. arm, neutral position of, n a body position to be assumed while treating a patient that prevents cumulative trauma to the arm; incorporates proper placement of the wrist, elbow, and shoulder. arm, reciprocal, n a clasp arm used on a removable partial denture to oppose any force arising from an opposing clasp arm on the same tooth. See also arm, retention. arm, retention, n an extension or projection that is part of a removable partial denture and is used to aid in the retention and stabilization of the restoration. See also retainer divet. arm, truss, n See connector, minor. arm, upright, n See connector, minor. arm 1. the limb segment between the shoulder and elbow joints; sometimes called the upper arm as distinct from the lower arm which is the section from elbow to carpus. 2. loosely, the free part of the thoracic limb, especially of bipeds. |
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? Mentioned in | ? References in periodicals archive | |
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The mean values and standard deviations of relative length and centromeric index were estimated from chromosome arm lengths. Since the rare progeny will be heterozygous for the mutagenized chromosome arm, they are used to isolate a stock of the putative meiotic mutant through a subsequent series of crosses. The paradigm of heritable CRC is familial adenomatous polyposis coli (APC), in which mutations of the APC gene on chromosome arm 5q cause the development of many of the polyps found in patients under the age of 30. |
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