adventitious |
<botany> Describes roots or shoots or other parts that grow in an uncharacteristic place on a plant (such as roots growing from leaves).
(06 May 1997) |
adventitious albuminuria |
Albuminuria resulting from the presence of blood escaping somewhere in the urinary tract, of chyle, or of some other albuminous fluid, not caused by filtration of albumin from the blood through the kidneys.
Synonym: false albuminuria.
(05 Mar 2000) |
adventitious bursa |
<anatomy> A bursa-like cyst formed between two parts as a result of friction.
(05 Mar 2000) |
adventitious cyst |
1. An accumulation of fluid in a cystlike loculus, but without an epithelial or other membranous lining.
Synonym: adventitious cyst, false cyst.
2. A cyst whose wall is formed by a host cell and not by a parasite.
3. A mass of 50 or more Toxoplasma bradyzoites, found within a host cell, frequently in the brain; formerly called a pseudocyst, but now considered a true cyst enclosed in its own membrane within the host cell that may rupture to release particles that form new cysts, and apparently is infective to another vertebrate host.
See: bradyzoite.
Origin: pseudo-+ G. Kystis, bladder
(05 Mar 2000) |
bovine virus diarrhoea virus |
A virus of the genus Pestivirus, in the family Togaviridae, causing bovine virus diarrhoea; New York, Oregon, and Indiana strains of the virus are recognised.
Synonym: mucosal disease virus.
(05 Mar 2000) |
abelson leukaemia virus |
A defective murine leukaemia virus capable of transforming lymphoid cells and producing a rapidly progressing lymphoid leukaemia after superinfection with friend, moloney, or rauscher virus.
(12 Dec 1998) |
Abelson murine leukaemia virus |
A retrovirus belonging to the Type C retrovirus group subfamily (family Oncovirinae) which is associated with leukaemia and produces in vitro transformation of mouse cells.
(05 Mar 2000) |
adeno-associated virus |
<virology> A genus of viruses in the family Parvoviridae which are all defective viruses (unable to replicate by themselves) and depend on the co-infection of their host cell by other, nondefective viruses to help them replicate.
(09 Oct 1997) |
adenoidal-pharyngeal-conjunctival virus |
<virology> An icosahedral (20-sided) virus that contains DNA, there are over 40 different adenovirus varieties, some of which cause the common cold.
(10 May 1997) |
adenosatellite virus |
<virology> A genus of viruses in the family Parvoviridae which are all defective viruses (unable to replicate by themselves) and depend on the co-infection of their host cell by other, nondefective viruses to help them replicate.
(09 Oct 1997) |
african horse sickness virus |
A species of orbivirus that causes disease in horses, mules, and donkeys.
(12 Dec 1998) |
african swine fever virus |
The lone species of the genus african swine fever-like viruses. The virus causes a fatal disease among domestic pigs in africa and a less virulent infection in europe. The virus is present in soft ticks (ornithodoros moubata), warthogs, or domestic pigs. Originally listed as a species of iridoviridae, the virus exhibits some similarities to poxviridae but its differences warranted placement in a separate genus of an, as yet unknown, family.
(12 Dec 1998) |
AIDS-related virus |
An obsolete term for human immunodeficiency virus.
(05 Mar 2000) |
Akabane virus |
A virus of the genus Bunyavirus, family Bunyaviridae, causing abortion in cattle and congenital arthrogryposis and hydranencephaly in bovine foetuses in Israel, Japan, and Australia; it is transmitted by mosquitoes.
(05 Mar 2000) |
akr virus |
A murine leukaemia virus isolated from spontaneous leukaemia in akr strain mice.
(12 Dec 1998) |