title: Ultrastructure of tumor cells in Marek's disease virus-infected chickens.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000166:cytology; D002467:Cell Nucleus; D002645:Chickens; D004721:Endoplasmic Reticulum; D006570:Heterochromatin; D008214:Lymphocytes / Q000166:cytology; D008380:Marek Disease / Q000473:pathology*; D008854:Microscopy, Electron; D008928:Mitochondria; D011132:Polyribosomes; D013601:T-Lymphocytes / Q000166:cytology
chemical_list: D006570:Heterochromatin