| infectious warts | A keratotic papilloma of the epidermis which occurs most frequently in young persons as a result of localised infection by human papilloma virus, usually types 2 and 4; the lesions are of variable duration, eventually undergoing spontaneous regression, and are both exophytic and endophytic, with hyperkeratosis, parakeratosis, hypergranulosis, koilocytosis, and papillomatosis. Synonym: common wart, infectious warts, verruca simplex, viral wart. (05 Mar 2000) |
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| ectromelia, infectious | A viral infection of mice, causing oedema and necrosis followed by limb loss. (12 Dec 1998) |
| tissue culture infectious dose | The quantity of a cytopathogenic agent, such as a virus, that will produce a cytopathic effect in 50% of the cultures inoculated. (05 Mar 2000) |
| equine infectious anaemia | <veterinary> virology> Viral disease of horses caused by the equine infectious anaemia virus (eiav; infectious anaemia virus, equine). It is characterised by intermittent fever, weakness, and anaemia. Chronic infection consists of acute episodes with remissions. (12 Dec 1998) |
| equine infectious anaemia virus | <virology> A retrovirus, of the Lentivirinae subfamily, and the cause of equine infectious anaemia. Synonym: swamp fever virus. (05 Mar 2000) |
| keratoconjunctivitis, infectious | Infectious diseases of cattle, sheep, and goats, characterised by blepharospasm, lacrimation, conjunctivitis, and varying degrees of corneal opacity and ulceration. In cattle the causative agent is moraxella (moraxella) bovis; in sheep, mycoplasma, rickettsia, chlamydia, or acholeplasma; in goats, rickettsia. (12 Dec 1998) |
| feline infectious anaemia | An acute or chronic anaemia of domestic cats caused by the rickettsia Haemobartonella felis. Synonym: haemobartonellosis. (05 Mar 2000) |
| feline infectious enteritis | A highly contagious and fatal disease of cats, particularly young cats, caused by feline panleukopenia virus, a member of the family Parvoviridae, and manifested by severe leukopenia, prostration, fever, vomiting and diarrhoea. Synonym: distemper, feline agranulocytosis, feline distemper, feline infectious enteritis. (05 Mar 2000) |
| feline infectious peritonitis | Common coronavirus infection of cats caused by the feline infectious peritonitis virus (infectious peritonitis virus, feline). The disease is characterised by a long incubation period, fever, depression, loss of appetite, wasting, and progressive abdominal enlargement. Infection of cells of the monocyte-macrophage lineage appears to be essential in fip pathogenesis. (12 Dec 1998) |
| adrenergic blocking agent | A compound that selectively blocks or inhibits responses to sympathetic adrenergic nerve activity (sympatholytic agent) and to epinephrine, norepinephrine, and other adrenergic amines (adrenolytic agent); two distinct classes exist, alpha-and beta-adrenergic receptor blocking agent's. (05 Mar 2000) |
| adrenergic neuronal blocking agent | A drug that prevents the release of norepinephrine from sympathetic nerve terminals; it does not inhibit the responses of the adrenergic receptors to circulating epinephrine, norepinephrine, and other adrenergic amines. (05 Mar 2000) |
| agent | <pharmacology> Any power, principle or substance capable of producing an effect, whether physical, chemical or biological. Origin: L. Agens = acting (18 Nov 1997) |
| agent, antihypertensive | As the name suggests, a drug aimed at reducing high blood pressure (hypertension). (12 Dec 1998) |
| agent, anti-infective | Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing the infectious agent outright. (12 Dec 1998) |
| Agent Orange | An herbicide and defoliant, consisting of (2,4,5-trichlorophenoxy)acetic acid, (2,4-dichlorophenoxy)acetic acid, and dioxin, that was widely used in the Vietnam War; it has been shown to possess residual post-exposure carcinogenic and teratogenic properties in humans. (05 Mar 2000) |