| VRI | viral respiratory infection; virtual reality imaging |
|---|---|
| VRNA | viral ribonucleic acid |
| diaper dermatitis | Colloquially referred to as diaper, ammonia, or napkin rash; dermatitis of thighs and buttocks resulting from exposure to urine and faeces in infants' diapers. Formerly attributed to ammonia formation; moisture, bacterial growth, and alkalinity may all induce lesions. Synonym: ammonia rash, diaper rash, Jacquet's erythema, napkin rash. (05 Mar 2000) |
|---|---|
| diarrhoea virus, bovine viral | The type species of the pestivirus genus causing diarrhoea, fever, oral ulcerations, and various necrotic lesions among cattle and other domestic animals. (12 Dec 1998) |
| DNA, viral | Deoxyribonucleic acid that makes up the genetic material of viruses. (12 Dec 1998) |
| duck viral enteritis | A viral enteritis of ducks and other waterfowl in Europe, Asia, and the U.S. Caused by an anatid herpes virus 1; manifested by weakness, lethargy, and diarrhoea accompanied by catarrhal haemorrhagic enteritis and echymotic haemorrhages in organs and muscles. Synonym: duck viral enteritis. (05 Mar 2000) |
| duck viral hepatitis | An acute, highly contagious disease of young ducklings caused by an enterovirus and characterised by lethargy, spasmodic paddling and rapid death. (05 Mar 2000) |
| inclusion bodies, viral | An area showing altered staining behaviour in the nucleus or cytoplasm of a virus-infected cell. Some inclusion bodies represent "virus factories" in which viral nucleic acid or protein is being synthesised; others are merely artifacts of fixation and staining. One example, negri bodies, are found in the cytoplasm or processes of nerve cells in animals that have died from rabies. (12 Dec 1998) |
| infectious eczematoid dermatitis | An inflammatory reaction of skin adjacent to the site of a pyogenic infection; e.g., purulent otitis, the area around a colostomy, or intranasal infection; thought to be due to a local sensitization to the resident organisms. (05 Mar 2000) |
| irritant contact dermatitis | Skin reactions ranging from erythema and scaling to necrotic burns resulting from nonimmunologic damage by chemicals in contact with the skin immediately or repeatedly. (05 Mar 2000) |
| oncogene proteins, viral | Products of viral oncogenes, most commonly retroviral oncogenes. They usually have transforming and often protein kinase activities. (12 Dec 1998) |
| encephalitis, viral | Inflammation of the brain caused by viruses. When this is caused by encephalitis viruses, a group of arboviruses, it is referred to as epidemic encephalitis (encephalitis, epidemic). Other viruses, including some herpes viruses, also cause viral encephalitis. (12 Dec 1998) |
| traumatic dermatitis | Any dermatitis caused by an irritant substance or by a physical agent. (05 Mar 2000) |
| trefoil dermatitis | A form of photosensitization that occurs in horses, cattle, sheep, and pigs from eating several types of clover and alfalfa. Synonym: clover disease, trefoil dermatitis. Origin: L. Trifolium, trefoil, clover (05 Mar 2000) |
| equine viral arteritis | A highly contagious viral disease caused by equine arteritis virus, member of the family Togaviridae, and characterised by a high fever and respiratory and digestive tract signs; the essential lesions involve smaller arteries, with necrosis which may be followed by thrombosis, infarction, haemorrhages, and oedema; abortion is a common result. Synonym: epizootic cellulitis, equine typhoid. (05 Mar 2000) |
| exfoliative dermatitis | Generalised exfoliation with scaling of the skin and usually with erythema (erythroderma); may be a drug reaction or associated with various benign dermatoses, lupus erythematosus, lymphomas, or of undetermined cause. Synonym: dermatitis exfoliativa, pityriasis rubra, Wilson's disease. (05 Mar 2000) |
| exudative discoid and lichenoid dermatitis | Disease resembling an exudative form of nummular eczema described in Jewish males with oval lesions on the penis, trunk, and face. Synonym: exudative discoid and lichenoid dermatitis, Sulzberger-Garbe syndrome. (05 Mar 2000) |