《英文msh词典》Maedi Viruses
[入口词] Maedi Viruses
[主题词] Visna-maedi virus
[英文释义] A species of LENTIVIRUS,subgenus ovine-caprine lentiviruses (LENTIVIRUSES,OVINE-CAPRINE),that can cause chronic pneumonia (maedi),mastitis,arthritis,and encephalomyelitis (visna) in sheep. Maedi is a progressive pneumonia of sheep which is similar to but not the same as jaagsiekte (PULMONARY ADENOMATOSIS,OVINE). Visna is a demyelinating leukoencephalomyelitis of sheep which is similar to but not the same as SCRAPIE.