In July 2013, Colombia became the first country to eliminate transmission of onchocerciasis [AHN-kuh-sur-SY-uh-siss], the most common parasitic disease of this organ.
In July 2013, Colombia became the first country to eliminate transmission of onchocerciasis [AHN-kuh-sur-SY-uh-siss], the most common parasitic disease of this organ. The ancestral Pax6 gene controls development of this organ in all bilateral species, and the "light switch" theory holds that evolution of it triggered the Cambrian Explosion. Growth of new blood vessels in the choroid can lead to the "wet" form of macular degeneration in this organ that requires vitamin A for its rods to function. Glaucoma and cataracts impair what organ that detects light at the retina to produce vision?
In July 2013, Colombia became the first country to eliminate transmission of onchocerciasis [AHN-kuh-sur-SY-uh-siss], the most common parasitic disease of this organ.
eye [accept onchocerciasis before it is mentioned]