The osmotic fragility of 50 samples of platelets from normal healthy donors has been studied. It has been found that fragility of platelets starts at a concentration of about 0.44 per cent NaCl and is complete at a concentration of 0.34 per cent. The serotonine released from the platelets increased with the gradual disintegration as the saline concentration fell.

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© 1956 by American Society of Hematology, Inc.
1956
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