Archive image from page 143 of Cytochemistry a critical approach (1953). Cytochemistry: a critical approach cytochemistrycri00dani Year: 1953 Plate II. Comparison of freeze-drying and chemical fixation. Both figures are ultraviolet photographs of Walker rat sarcoma, taken by R. King; 2570 ; 2-mm. quartz objective. Figure A shows fixation by Carnoy's method, and Fig. B by freeze-drying. Note that with chemical fixation there is a halo surrounding the metaphase plate, and the intermitotic nuclei

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