Electron-microscope observations on the organization of heterochromatin in certain cells.
D000818:Animals; D001699:Biometry; D002645:Chickens; D002875:Chromosomes; D004912:Erythrocytes / Q000166:cytology; D005399:Fishes; D008214:Lymphocytes / Q000166:cytology; D008854:Microscopy, Electron; D013154:Spleen / Q000166:cytology