| ROC | receiver operating characteristic; receptor-operated channels; relative operating characteristic; re... |
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| OR | 1) Operating Room; ¼ö¼ú½Ç 2) Open Reduction |
| AORN | Association of Operating Room Nurses |
| COO | chief operating officer; cost of ownership [analysis] |
| DOS | day of surgery; deoxystreptamine; disk operating system; Doctor of Ocular Science; Doctor of Optical... |
| ROC | Receiver Operating Characteristic |
|---|---|
| OR | Operating Room |
| ROC | Receiver Operating Characteristic Curve |
| ROC | Receiver Operating Curve |
| ROC | Relative Operating Characteristic |
| receiver operating characteristic | A plot of the sensitivity of a diagnostic test as a function of non-specificity (one minus the specificity). The ROC curve indicates the intrinsic properties of a test's diagnostic performance and can be used to compare the relative merits of competing procedures. (05 Mar 2000) |
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| receiver operating characteristic curve | A plot of true positive versus false positive results, usually in a trial of a diagnostic test. A graphical means of assessing the ability of a screening test to discriminate between healthy and diseased persons. Synonym: ROC curve. (05 Mar 2000) |
| roof | 1. To cover with a roof. "I have not seen the remains of any Roman buildings that have not been roofed with vaults or arches." (Addison) 2. To inclose in a house; figuratively, to shelter. "Here had we now our country's honor roofed." (Shak) Origin: Roofed; Roofing. 1. The cover of any building, including the roofing (see Roofing) and all the materials and construction necessary to carry and maintain the same upon the walls or other uprights. In the case of a building with vaulted ceilings protected by an outer roof, some writers call the vault the roof, and the outer protection the roof mask. It is better, however, to consider the vault as the ceiling only, in cases where it has farther covering. 2. That which resembles, or corresponds to, the covering or the ceiling of a house; as, the roof of a cavern; the roof of the mouth. "The flowery roof Showered roses, which the morn repaired." (Milton) 3. <chemical> The surface or bed of rock immediately overlying a bed of coal or a flat vein. Bell roof, French roof, etc. See Plate. Origin: OE. Rof, AS. Hrf top, roof; akin to D. Roef cabin, Icel. Hrf a shed under which ships are built or kept; cf. OS. Hrst roof, Goth. Hrt. Cf. Roost. Source: Websters Dictionary (01 Mar 1998) |
| roof nucleus | The most medial of the cerebellar nuclei, lying medial to the interpositus nucleus, near the midline, in the white matter underneath the vermis of the cerebellar cortex. It receives the axons of Purkinje cells from all parts of the vermis. Its major projection is to the vestibular nuclei and medullary reticular formation. Synonym: nucleus fastigii, fastigatum, nucleus tecti, roof nucleus, tectal nucleus. (05 Mar 2000) |
| roof of fourth ventricle | Roof of fourth ventricle, formed in its upper part by the superior medullary velum stretching between the two brachia conjunctiva (superior cerebellar peduncles), in its lower part by the inferior medullary velum composed of the choroid membrane and choroid plexus of the fourth ventricle. Synonym: roof of fourth ventricle. (05 Mar 2000) |
| roof of mouth | 1. <anatomy> The roof of the mouth. The fixed portion, or palate proper, supported by the maxillary and palatine bones, is called the hard palate to distinguish it from the membranous and muscular curtain which separates the cavity of the mouth from the pharynx and is called the soft palate, or velum. 2. Relish; taste; liking; a sense originating in the mistaken notion that the palate is the organ of taste. "Hard task! to hit the palate of such guests." (Pope) 3. Mental relish; intellectual taste. 4. <botany> A projection in the throat of such flowers as the snapdragon. Origin: L. Palatum: cf. F. Palais, Of. Also palat. Source: Websters Dictionary (01 Mar 1998) |
| roof of orbit | Formed by the orbital plate of the frontal bone and the lesser wing of the sphenoid bone, the optic canal opens at its posterior limit; an indentation, the fossa for the lacrimal gland, is located in the anterolateral part of the roof. Synonym: paries superior orbitae, superior wall of orbit. (05 Mar 2000) |
| roof of skull | <anatomy> The skull cap, roof of the skull (27 Sep 1997) |
| roof of tympanic cavity | The superior wall, or roof, of the tympanic cavity, formed by the tegmen tympani of the temporal bone. Synonym: paries tegmentalis cavi tympani, tegmental wall of middle ear. (05 Mar 2000) |
| roof of tympanum | The roof of the middle ear, formed by the thinned anterior surface of the petrous portion of the temporal bone. Its anterior edge is inserted into the petrosquamous fissure so that it can be seen as a wedge of bone subdividing that fissure into a squamo tympanic and a petrotympanic fissure. Synonym: roof of tympanum. (05 Mar 2000) |
| roof plate | The thin layer of the embryonic neural tube connecting the alar plate's dorsally. Synonym: dorsal plate of neural tube. (05 Mar 2000) |
| standard operating procedure | <microscopy> A written set of instructions detailing the normal procedures for operating a piece of equipment. WWW: Available online (05 Aug 1998) |
| operating microscope | <instrument> A binocular microscope used to obtain good visualization of fine structures in the operating field; in the standing type of microscope, a motorised zoom lens system operated by hand or foot controls provides an adjustable working distance; in headborne models, interchangeable oculars provide the magnification needed. Synonym: operating microscope. (05 Mar 2000) |
| operating room information systems | Information systems, usually computer-assisted, designed to store, manipulate, and retrieve information for planning, organizing, directing, and controlling administrative activities associated with the provision and utilization of operating room services and facilities. (12 Dec 1998) |
| operating room nursing | The functions of the professional nurse in the operating room. (12 Dec 1998) |
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