| vestibular window | An oval opening on the medial wall of the tympanic cavity leading into the vestibule, closed in life by the foot of the stapes. Synonym: fenestra of the vestibule, fenestra ovalis, oval window, vestibular window. (05 Mar 2000) |
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| vestibule | The porch or entrance into a house; a hall or antechamber next the entrance; a lobby; a porch; a hall. Vestibule of the ear. <anatomy> A train of passenger cars having the space between the end doors of adjacent cars inclosed, so as to admit of leaving the doors open to provide for intercommunication between all the cars. Synonym: Hall, passage. Vestibule, Hall, Passage. A vestibule is a small apartment within the doors of a building. A hall is the first large apartment beyond the vestibule, and, in the United States, is often long and narrow, serving as a passage to the several apartments. In England, the hall is generally square or oblong, and a long, narrow space of entrance is called a passage, not a hall, as in America. Vestibule is often used in a figurative sense to denote a place of entrance. "The citizens of Rome placed the images of their ancestors in the vestibules of their houses." Origin: L. Vestibulum, of uncertain origin: cf. F. Vestibule. Source: Websters Dictionary (01 Mar 1998) |
| vestibule of larynx | The upper part of the laryngeal cavity from the superior aperture to the vestibular folds, bounded anteriorly by the epiglottis, laterally by themucosa overlying the quadrangular membranes and posteriorly by the mucosa overlying the arytenoid cartilages and arytenoideus muscle. Synonym: vestibulum laryngis, atrium glottidis, superior laryngeal cavity. (05 Mar 2000) |
| vestibule of mouth | That part of the mouth bounded anteriorly and laterally by the lips and the cheeks, posteriorly and medially by the teeth and/or gums, and above and below by the reflections of the mucosa from the lips and cheeks to the gums. Synonym: vestibulum oris, buccal cavity, vestibule of mouth. (05 Mar 2000) |
| vestibule of nose | The anterior part of the nasal cavity, especially that enclosed by cartilage. Synonym: vestibulum nasi. (05 Mar 2000) |
| vestibule of omental bursa | <anatomy> The upper part of the bursa omentalis, just within the epiploic foramen (of Winslow), behind the caudate lobe of the liver. Synonym: vestibulum bursae omentalis. (05 Mar 2000) |
| vestibule of vagina | The space behind the glans clitoridis and between the labia minora, containing the openings of the vagina, urethra, and ducts of the greater vestibular glands. Synonym: vestibulum vaginae, vaginal introitus, vestibulum pudendi. (05 Mar 2000) |
| pericardial window techniques | Surgical construction of an opening or window in the pericardium. It is often called subxiphoid pericardial window technique. (12 Dec 1998) |
| round window | Fenestra of the cochlea; an opening in the medial wall of the middle ear leading into the cochlea. (12 Dec 1998) |
| cochlear window | An opening on the medial wall of the middle ear leading into the cochlea, closed in life by the secondary tympanic membrane. Synonym: cochlear window, fenestra of the cochlea, fenestra rotunda, round window. (05 Mar 2000) |
| window | 1. An opening in the wall of a building for the admission of light and air, usually closed by casements or sashes containing some transparent material, as glass, and capable of being opened and shut at pleasure. "I leaped from the window of the citadel." (Shak) " Then to come, in spite of sorrow, And at my window bid good morrow." (Milton) 2. The shutter, casement, sash with its fittings, or other framework, which closes a window opening. 3. A figure formed of lines crossing each other. "Till he has windows on his bread and butter." (King) French window, the common European martin. Window tax, a tax or duty formerly levied on all windows, or openings for light, above the number of eight in houses standing in cities or towns. Origin: OE. Windowe, windoge, Icel. Vindauga window, properly, wind eye; akin to Dan. Vindue. See Wind, and Eye. Source: Websters Dictionary (01 Mar 1998) |
| window level | The CT number setting in Hounsfield units of the midpoint of the window width, which is the gray scale of the image; a typical window level for imaging the lungs if -500; for the abdomen, 0. (05 Mar 2000) |
| window width | The range of CT numbers (in Hounsfield units) included in the gray scale video display of the CT image, ranging from 1 to 2000 or 3000, depending on the type of machine. See: window level. (05 Mar 2000) |
| Sibson's aortic vestibule | Synonym: aortic vestibule. (05 Mar 2000) |
| soft tissue window | mediastinal window |