| video games | A form of interactive entertainment in which the player controls electronically generated images that appear on a video display screen. This includes video games played in the home on special machines or home computers, and those played in arcades. (12 Dec 1998) |
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| video microscopy | <technique> Microscopy that takes advantage of video as an imaging, image processing, analysing, or controlling device. (05 Aug 1998) |
| video recording | The storing or preserving of video signals for television to be played back later via a transmitter or receiver. Recordings may be made on magnetic tape or discs (videodisc recording). (12 Dec 1998) |
| video waveform | <microscopy> The display of the (composite) video signal onto a cathode-ray oscilloscope triggered by the V- or H-sync pulse. The amplitudes and waveforms, as well as precision of timing, of the signal components are made visible. (05 Aug 1998) |
| video-assisted thoracic surgery | A less morbid alternative to "open" thoracotomy that employs cameras, optic systems, percutaneous stapling devices, and assorted endoscopic graspers, retractors, and forceps. Also called video thoracoscopic surgery, it can be selectively applied to various pulmonary, pleural, and pericardial lesions. (05 Mar 2000) |
| videodisc recording | The storing of visual and usually sound signals on discs for later reproduction on a television screen or monitor. (12 Dec 1998) |
| videokeratoscope | <instrument> A keratoscope fitted with a video camera. (05 Mar 2000) |
| videotape recording | Recording of visual and sometimes sound signals on magnetic tape. (12 Dec 1998) |
| vidian | Named after or described by Vidius. (05 Mar 2000) |
| vidian artery | <radiology> Arises from petrous portion of ICA, passes through foramen lacerum, ends in oropharynx or continues as, artery of pterygoid canal, anastamoses with branches of: ascending pharyngeal a., accessory meningeal a., descending and ascending palatine aa. (12 Dec 1998) |
| vidian canal | An opening through the base of the medial pterygoid process of the sphenoid bone through which pass the artery, vein, and nerve of the pterygoid canal. Synonym: canalis pterygoideus, vidian canal. (05 Mar 2000) |
| vidian nerve | The nerve constituting the parasympathetic and sympathetic root of the pterygopalatine ganglion; it is formed in the region of the foramen lacerum by the union of the greater superficial petrosal and the deep petrosal nerves, and runs through the pterygoid canal to the pterygopalatine fossa. Synonym: nervus canalis pterygoidei, radix facialis, facial root, vidian nerve. (05 Mar 2000) |
| vidian vein | A vein accompanying the nerve and artery through the pterygoid canal and emptying into the pharyngeal venous plexus. Synonym: vena canalis pterygoidei, vidian vein. (05 Mar 2000) |
| Vidius, Guidi | <person> Italian anatomist and physician, 1500-1569. See: vidian artery, vidian canal, vidian nerve, vidian vein. (05 Mar 2000) |
| vienna paste | <pharmacology> A caustic application made up of equal parts of caustic potash and quicklime; called also Vienna caustic. Source: Websters Dictionary (01 Mar 1998) |