Abstract
Summary
1. Intravenous injections of emulsions of lecithins extracted from soy bean, corn, vegetable, cod testicle and erythrocytes of man and cephalin of soy bean produce a marked miosis in the completely denervated iris of the cat but not in that of the monkey, dog or rabbit. 2. Synthetic lecithin in much smaller concentrations yields identical results. 3. None of the phospholipid miotic effects is blocked by atropine or potentiated by eserine.
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