Abstract
Summary
Metachromatic stainability of rabbit basophils was prevented by compound 48/80 and protamine. If already stained with toluidine blue, the stain was abolished. Heparin apparently combined with the toluidine blue stain, thus accounting for a decrease in counts of basophils and other white cells. Hyaluronic acid, histamine, serotonin, as well as testicular hyaluronidase, antihistamines mepyramine and pyribenzamine, serotonin releaser reserpine, produced no change in count of basophil leucocytes or other white blood cells.
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