Electron-microscope observations on the organization of the nucleus in chicken erythrocytes and a superunit thread hypothesis for chromosome structure.

Age Factors Animals Animals, Newborn Cell Membrane Cell Nucleus/ultrastructure Chick Embryo Chickens Chromatin/ultrastructure Chromosomes/ultrastructure Cytoplasm/ultrastructure Erythrocytes/ultrastructure Hemoglobins/analysis Hemolysis Lead Microscopy, Electron Models, Biological Models, Structural Phosphotungstic Acid Reticulocytes/ultrastructure Ribosomes/ultrastructure Staining and Labeling Uranium

Chromatin Hemoglobins Phosphotungstic Acid Lead Uranium