| encephalopathy, bovine spongiform | Scrapie-like neurological disorder of cattle. The infection appears to be caused by the consumption of scrapie-infected ruminant-derived protein (prions). (12 Dec 1998) |
|---|---|
| enteric cytopathogenic bovine orphan virus | Former name for early isolates of bovine enteroviruses. Synonym: enteric cytopathogenic bovine orphan virus. (05 Mar 2000) |
| enzootic bovine leukosis | A lymphoid neoplastic disease in cattle caused by the bovine leukaemia virus. Enzootic bovine leukosis may take the form of lymphosarcoma, malignant lymphoma, or leukaemia but the presence of malignant cells in the blood is not a consistent finding. (12 Dec 1998) |
| ephemeral fever virus, bovine | The type species of ephemerovirus causing disease in cattle. Transmission is by haematophagous arthropods and the virus has been isolated from both culicoides and mosquitoes. (12 Dec 1998) |
| epizootic bovine abortion | An infectious disease of cattle transmitted by the tick Ornithodoros coriaceus and manifested as abortion or weak calves at birth; occurs in the foothills of California, Nevada, and Oregon. Synonym: foothill abortion. (05 Mar 2000) |
| trypanosomiasis, bovine | Infection in cattle caused by various species of trypanosomes. (12 Dec 1998) |
| tuberculosis, bovine | An infection of cattle caused by mycobacterium bovis. It is transmissible to man and other animals. (12 Dec 1998) |
| lentiviruses, bovine | A subgenus of lentivirus comprising viruses that produce multi-organ disease with long incubation periods in cattle. (12 Dec 1998) |
| leukaemia virus, bovine | The type species of HTLV-blv viruses that causes a form of bovine lymphosarcoma (enzootic bovine leukosis) or persistent lymphocytosis. (12 Dec 1998) |
| abnormal heart chamber dimensions | <radiology> Left ventricular volume overload, left ventricular hypertrophy, right ventricular volume overload, right ventricular hypertrophy, fixed subvalvular aortic stenosis, hypoplastic left/right ventricle; common ventricle, congestive cardiomyopathy (12 Dec 1998) |
| Abrams' heart reflex | A contraction of the myocardium when the skin of the precordial region is irritated. (05 Mar 2000) |
| american heart association | A voluntary organization concerned with the prevention and treatment of heart and vascular diseases. (12 Dec 1998) |
| apex of heart | The blunt extremity of the heart formed by the left ventricle. See: apex beat. Synonym: apex cordis, vertex cordis. (05 Mar 2000) |
| armored heart | Calcareous deposits in the pericardium due to subacute or chronic pericarditis. Synonym: panzerherz. (05 Mar 2000) |
| armor heart | Extensive to complete calcification (rarely ossification) of the pericardium usually producing constrictive pericarditis. (05 Mar 2000) |