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2. Spiral valve - Wikipedia

   en.wikipedia.org/wiki/Spiral_valve

   The spiral valve of a nurse shark (Ginglymostoma cirratum).. A spiral valve or scroll valve is the corkscrew-shaped lower portion of the intestine of some sharks, Acipenseriformes (sturgeon and paddlefish), rays, skates, bichirs, Lepisosteiformes (gars), and lungfishes. [1]

3. Shark anatomy - Wikipedia

   en.wikipedia.org/wiki/Shark_anatomy

   Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.

4. Portal:Sharks/Selected pictures - Wikipedia

   en.wikipedia.org/.../Portal:Sharks/Selected_pictures

   The selected pictures are what we believe to be the best pictures on Wikipedia related to sharks.Any image that is featured or valued on the English Wikipedia, or featured, valued or considered high quality on Wikimedia Commons, and is used in one or more articles within the scope of WikiProject Sharks, automatically qualifies, and may be added below.

5. Autostereogram - Wikipedia

   en.wikipedia.org/wiki/Autostereogram

   When the single 2D image is viewed with proper eye convergence, it causes the brain to fuse different patterns perceived by the two eyes into a virtual 3D image without, hidden within the 2D image, the aid of any optical equipment. SIS images are created using a repeating pattern. [18] [29] Programs for their creation include Mathematica. [30] [31]

6. Virtual colonoscopy - Wikipedia

   en.wikipedia.org/wiki/Virtual_colonoscopy

   Virtual colonoscopy (VC, also called CT colonography or CT pneumocolon) is the use of CT scanning or magnetic resonance imaging (MRI) to produce two- and three-dimensional images of the colon (large intestine), from the lowest part, the rectum, to the lower end of the small intestine, and to display the images on an electronic display device.

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   www.aol.com/games

   Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.