Virus particles (leukosis-sarcoma group like viruses) in the peripheral nerve and the skeletal muscle tissues with Marek's disease (fowl paralysis).
D000818:Animals; D001353:Avian Leukosis / Q000382:microbiology / Q000473:pathology*; D002645:Chickens; D007181:Inclusion Bodies, Viral; D008854:Microscopy, Electron; D009132:Muscles / Q000473:pathology*; D010525:Peripheral Nerves / Q000473:pathology*; D010523:Peripheral Nervous System Diseases / Q000473:pathology; D011201:Poultry Diseases / Q000473:pathology*