window

window
1. SYN: fenestra. 2. Any opening in space or time. 3. Radiology. A view especially contrived to accentuate tissue contrast.
- aortic w. obsolete term for a radiolucent region below the aortic arch on a left anterior oblique chest radiograph, formed by the bifurcation of the trachea and crossed by the left pulmonary artery.
- aorticopulmonary w. SYN: aortic septal defect.
- aortic-pulmonic w. SYN: aortopulmonary w..
- aortopulmonary w. the indentation of the left side of the mediastinum by the lung partially interposed between the aortic arch and the left pulmonary artery, seen on frontal radiographs of the chest. SYN: aortic-pulmonic w..
- cochlear w. SYN: round w..
- lung w. CT settings of w. level and width appropriate to showing lung detail.
- mediastinal w. CT settings of w. level and width appropriate to showing soft tissue structures. SYN: soft tissue w..
- oval w. [TA] an oval opening on the medial wall of the tympanic cavity leading into the vestibule, closed in life by the foot of the stapes. SYN: fenestra vestibuli [TA], fenestra of the vestibule, fenestra ovalis, vestibular w..
- round w. [TA] an opening on the medial wall of the middle ear leading into the cochlea, closed in life by the secondary tympanic membrane. SYN: fenestra cochleae [TA], cochlear w., fenestra of the cochlea, fenestra rotunda.
- soft tissue w. SYN: mediastinal w..
- tachycardia w. in paroxysmal tachycardia of the reentry type, the interval of time (the w.) between the earliest and latest premature activation that can excite the paroxysm.
- vestibular w. SYN: oval w..

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win·dow 'win-(.)dō, -də(-w) n
1) FENESTRA (1)
2) a small surgically created opening: FENESTRA (2a)
3) a usu. narrow interval of time or range of values for which a certain condition or an opportunity exists <coma and multiorgan failure can occur within hours and there may be a very narrow \window of opportunity for transplantation (J. P. A. Lodge)> see therapeutic window

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win·dow (winґdo) [L. fenestra] 1. a circumscribed opening in a surface; called also fenestra. t2. he upper and lower voltage limits that determine which pulses a pulse height analyzer will accept and pass on. 3. the range of Hounsfield units over which the gray scale is spread in a particular CT scan; there are different windows for different types of tissues, such as bone and soft tissue.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Window — Win dow, n. [OE. windowe, windoge, Icel. vindauga window, properly, wind eye; akin to Dan. vindue. ????. See {Wind}, n., and {Eye}.] [1913 Webster] 1. An opening in the wall of a building for the admission of light and air, usually closed by… …   The Collaborative International Dictionary of English

  • window — window, casement, dormer, oriel can mean an opening in the wall of a building that is usually covered with glass and serves to admit light and air. Window is the ordinary general term for the entire structure, including both its framework and the …   New Dictionary of Synonyms

  • window — (n.) early 13c., lit. wind eye, from O.N. vindauga, from vindr wind (see WIND (Cf. wind) (n.1)) + auga eye. (see EYE (Cf. eye) (n.)). Replaced O.E. eagþyrl, lit. eye hole, and eagduru, lit …   Etymology dictionary

  • window — [win′dō] n. [ME windoge < ON vindauga, window, lit., wind eye < vindr, WIND2 + auga, an eye; akin to Ger auge, EYE] 1. a) an opening in a building, vehicle, or container, for letting in light or air or for looking through, usually having a… …   English World dictionary

  • Window — (von engl. window „Fenster“) oder Plural Windows ([ˈwɪndoʊz]) stehen für: Microsoft Windows, ein Betriebssystem der Firma Microsoft Fenster (Computer), ein Benutzerschnittstellenkonzept bei Computern X Window System, eine grafische… …   Deutsch Wikipedia

  • window — WÍNDOW s.n. Fereastră, geam; vitrină. [pr. uíndău] (din engl. window) Trimis de tavi, 14.05.2008. Sursa: MDN  WINDOW [UÍNDOU] s. n. fereastră, geam; vitrină. (< engl. window) Trimis de raduborza, 14.02.2008. Sursa: MDN …   Dicționar Român

  • window — ► NOUN 1) an opening in a wall or roof, fitted with glass in a frame to let in light or air and allow people to see out. 2) an opening through which customers are served in a bank, ticket office, etc. 3) a transparent panel in an envelope to show …   English terms dictionary

  • Window — Win dow, v. t. [imp. & p. p. {Windowed}; p. pr. & vb. n. {Windowing}.] [1913 Webster] 1. To furnish with windows. [1913 Webster] 2. To place at or in a window. [R.] [1913 Webster] Wouldst thou be windowed in great Rome and see Thy master thus… …   The Collaborative International Dictionary of English

  • window n — window of opportunity …   English expressions

  • Window — This article is about the part of a building. For the Microsoft operating system, see Microsoft Windows. For other uses, see Window (disambiguation) and Windows (disambiguation). Pair of windows, Old Ship Church, Hingham, Massachusetts …   Wikipedia

  • window — windowless, adj. windowy, adj. /win doh/, n. 1. an opening in the wall of a building, the side of a vehicle, etc., for the admission of air or light, or both, commonly fitted with a frame in which are set movable sashes containing panes of glass …   Universalium

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