| vida finch | <zoology> The whidah bird. Source: Websters Dictionary (01 Mar 1998) |
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| Vidal's disease | An obsolete term for lichen simplex chronicus. (05 Mar 2000) |
| Vidal, Jean Baptiste Emile | <person> French dermatologist, 1825-1893. See: Vidal's disease. (05 Mar 2000) |
| vidarabine | <drug> Adenine arabinoside (Ara A): nucleoside analogue with antiviral properties that has been used to treat severe herpes virus infections. (18 Nov 1997) |
| vidarabine phosphate | <chemical> An adenosine monophosphate analog in which ribose is replaced by an arabinose moiety. It is the monophosphate ester of vidarabine with antiviral and possibly antineoplastic properties. Pharmacological action: antimetabolites, antimetabolites, antineoplastic, antiviral agents. Chemical name: 9H-Purin-6-amine, 9-(5-O-phosphono-beta-D-arabinofuranosyl)- (12 Dec 1998) |
| 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) |
| 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) |