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New 3D images of shark intestines show they function like Nikola Tesla's valve


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IMAGE: A CT scan image of the spiral intestine of a Pacific spiny dogfish shark (Squalus suckleyi). The beginning of the intestine is on the left, and the end is on.
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Credit: Samantha Leigh/California State University Dominguez Hills
Contrary to what popular media portrays, we actually don t know much about what sharks eat. Even less is known about how they digest their food, and the role they play in the larger ocean ecosystem.
For more than a century, researchers have relied on flat sketches of sharks digestive systems to discern how they function and how what they eat and excrete impacts other species in the ocean. Now, researchers have produced a series of high-resolution, 3D scans of intestines from nearly three dozen shark species that will advance the understanding of how sharks eat and digest their food. ....

United States , California State University Dominguez Hills , Los Angeles , Nikola Tesla , Sarah Hoffmann , Samantha Leigh , National Science Foundation Graduate Research Fellowship Program , University Of California , Proceedings Of The Royal Society , University Of Washington , Natural History Museum Of Los Angeles , Newkirk Center Graduate Research Fellowship , Research Fellowship , California State University Dominguez , Royal Society , Harbor Laboratories , Natural History Museum , Adam Summers , Harbor Labs , Donovan German , Applied Biological , Friday Harbor Laboratories , Graduate Research Fellowship , ஒன்றுபட்டது மாநிலங்களில் , கலிஃபோர்னியா நிலை பல்கலைக்கழகம் டமிஂகெஸ் மலைகள் , லாஸ் ஏஞ்சல்ஸ் ,