Histogenesis of the acute (form of) Marek's diseases.
D000208:Acute Disease; D000818:Animals; D002490:Central Nervous System / Q000473:pathology; D002645:Chickens; D007668:Kidney / Q000473:pathology; D008099:Liver / Q000473:pathology; D008380:Marek Disease / Q000473:pathology*; D009206:Myocardium / Q000473:pathology; D011201:Poultry Diseases / Q000473:pathology*; D013154:Spleen / Q000473:pathology