| gross virus | A murine leukaemia virus obtained from inbred mice with a high incidence of spontaneous lymphoid leukaemia. Infection is passed by vertical transmission from one generation to another through the ovum. (12 Dec 1998) |
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| Gross' leukaemia virus | A strain of mouse leukaemia virus. Synonym: Gross' leukaemia virus. (05 Mar 2000) |
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| Gross' virus | A strain of mouse leukaemia virus. Synonym: Gross' leukaemia virus. (05 Mar 2000) |
| gross | Coarse or large; large enough to be visible to the naked eye. Origin: L. Grossus, thick (05 Mar 2000) |
| gross anatomy | General anatomy, so far as it can be studied without the use of the microscope; commonly used to denote the study of anatomy by dissection of a cadaver. See: practical anatomy. Synonym: macroscopic anatomy. (05 Mar 2000) |
| gross haematuria | The presence of blood in the urine in sufficient quantity to be visible to the naked eye. (05 Mar 2000) |
| gross heating value | (GHV) The maximum potential energy in the fuel as received. It reflects the displacement of fibre by water present in the fuel. Expressed as: GHV = HHV (1 - MC / 100) (05 Dec 1998) |
| gross lesion | A lesion plainly visible to the naked eye. (05 Mar 2000) |
| Gross, Ludwik | <person> 20th century U.S. Oncologist. See: Gross' virus, Gross' leukaemia virus. (05 Mar 2000) |
| gross reproduction rate | The average number of female children a woman would have if she survived to the end of her childbearing years and if, throughout that period, she were subject to a given set of age-specific fertility rates and a given sex ratio at birth; this rate provides a measure of the replacement fertility of a population in the absence of mortality. (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) |