Authors: G Pilleri 
              Publish Date: 1967/01/01
              Volume: 23, Issue: 1, Pages: 54-55 
			  
              Abstract
              The folds found in the retina of 3 orders of mammals the white whale the hippopotamus and the otter are described All the layers of the retina take part in the folds with the exception of the pigmented epithelium The folds are a morphological adaptation to aquatic life
              
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