Maedi Viruses

《英文msh詞典》Maedi Viruses
[入口詞] Maedi Viruses
[主題詞] Visna-maedi virus
[英文釋義] 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.