| DAS | dead air space; Death Anxiety Scale; delayed anovulatory syndrome; dextroamphetamine sulfate; digita... |
|---|---|
| VD | vapor density; vascular disease; vasodilation, vasodilator; venereal disease; venous dilatation; ven... |
| VD | dead space |
| Vd | voided, voiding; volume dead space; volume of distribution |
| Vd/Vt | dead space ventilation/total ventilation [ratio] |
| dead tracts | Dentin areas characterised by degenerated odontoblastic processes; may result from injury caused by caries, attrition, erosion, or cavity preparation. (05 Mar 2000) |
|---|---|
| hearing loss, functional | Hearing loss without a physical basis. (12 Dec 1998) |
| orthodontic appliances, functional | Loose, usually removable intra-oral devices which alter the muscle forces against the teeth and craniofacial skeleton. These are dynamic appliances which depend on altered neuromuscular action to effect bony growth and occlusal development. They are usually used in mixed dentition to treat paediatric malocclusions. (ada, 1992) (12 Dec 1998) |
| functional | 1. Pertaining to, or connected with, a function or duty; official. 2. <physiology> Pertaining to the function of an organ or part, or to the functions in general. <medicine> Functional disease, a disease of which the symptoms cannot be referred to any appreciable lesion or change of structure; the derangement of an organ arising from a cause, often unknown, external to itself opposed to organic disease, in which the organ itself is affected. Source: Websters Dictionary (01 Mar 1998) |
| functional albuminuria | A collective term denoting types of benign albuminuria that are associated with physical exertion or other conditions in which there are physiologic changes such as during pregnancy or adolescence. Synonym: physiologic albuminuria. (05 Mar 2000) |
| functional anatomy | Anatomy studied in its relation to function. Synonym: morphophysiology, physiological anatomy. (05 Mar 2000) |
| functional aphasia | Nonorganic aphasia related to conversion hysteria. (05 Mar 2000) |
| functional apoplexy | A condition simulating apoplexy without any cerebral lesion; a form of conversion hysteria. (05 Mar 2000) |
| functional blindness | Apparent loss of vision related to suggestibility. (05 Mar 2000) |
| functional cardiovascular disease | A euphemism for cardiovascular symptoms deemed to be psychogenic. More generally, sometimes used for abnormal cardiac function. (05 Mar 2000) |
| functional castration | Gonadal atrophy produced by prolonged treatment with sex hormones. (05 Mar 2000) |
| functional chew-in record | A record of the natural chewing movements of the mandible made on an occlusion rim by teeth or scribing studs. (05 Mar 2000) |
| functional congestion | Hyperaemia occurring during functional activity of an organ. Synonym: physiologic congestion. (05 Mar 2000) |
| functional contracture | Muscular shortening that ceases during sleep or general anaesthesia, caused by prolonged active muscle contraction. (05 Mar 2000) |
| functional deafness | Hearing loss without evidence of organic cause or malingering; often follows severe psychic shock. Synonym: functional deafness, hysterical deafness. (05 Mar 2000) |