Karthik Shekhar and his colleagues raised a few eyebrows as they collected cow and pig eyes from Boston butchers, but those eyes — eventually from 17 separate species, including humans — are providing insights into the evolution of the vertebrate retina and could lead to better animal models for human eye diseases.
The retina is a miniature computer containing diverse types of cells that collectively process visual information before transmitting it to the rest of the brain. In a comparative analysis across animals of the many cell types in the retina — mice alone have 130 types of…
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News Source: www.sciencedaily.com