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stingray x-ray

Posted By Alison Campbell On November 21, 2012 @ 4:23 pm In Environment and Ecology | 1 Comment

Another in the occasional series of rather lovely biological images: an x-ray of a stingray (Heliotrygon sp.)

[1]

(from NatGeo [1], via Pharyngula [2])

The genus name means ‘sun stingray’, a name that was given for the way that the cartilage fibres that support its body (like sharks, stingrays have a skeleton that’s based on cartilage [3], unlike the hard, ossified skeleton of (adult) humans).

Another cool thing about this image is that you can clearly see that this stingray is, in fact, stingless!


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URLs in this post:

[1] Image: http://news.nationalgeographic.com/news/2011/03/pictures/110309-stingrays-new-species-amazon-science-animals-water/#/new-stingless-stingrays-x-ray_33017_600x450.jpg

[2] Pharyngula: http://freethoughtblogs.com/pharyngula

[3] cartilage: http://www.britannica.com/EBchecked/topic/97461/cartilage

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