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A Tale of Wonky Eyes
researcher successfully implanted eye tissue paper in the backside of unreasoning polliwog of African clawed anuran , giving the tadpoles vision . The findings , detailed in the Feb. 27 , 2013 , outcome of the Journal of Experimental Biology , could help guide therapies affect natural or artificial implant , scientists add .
Eye Removal
The researchers removed the eye tissue paper ( violent arrow ) from the developing embryo of an African toad .
Eye Graft
Here , an African frog embryo like a shot following the tissue graft to implant an eye on its tail ( clean pointer ) .
Eye Healing
The wound from the tissue paper bribery has healed for 24 hour in this image .
Vision Test
These experimental tadpoles ( shown here ) then received a vision trial start the researchers first refine on normal polliwog . The pollywog were placed in a round arena half clear with red light and one-half with gloomy light , with software regularly switching what color light the area received .
Zapped
When tadpoles with tail eyes ( shown here ) enter places lit by red light , they receive a tiny galvanising zap . A motion - trailing camera kept tabs on where the tadpoles were .
Sprouting Nerves
Nerves begin to grow in the country around the polliwog ’s ectopic heart , though they are n’t nervousness come directly from that center .
Fin Nerves
Here nerves in the fin of a tadpole in the cogitation .
A Little Help From the Spine
The six pollywog that could see well in the study all had nerve plugged into their sticker , which makes sense — their eyes apparently linked with their central nervous organisation .
Augmentation Tech
" This has implication not only for regenerative practice of medicine — replacing damaged sensory and motor organ — but also for augmentation technology , " said researcher Michael Levin , a developmental biologist at Tufts University . " Perhaps you ’d like some more eyes , perchance ones that see in infrared ? "
