| 单词 | medusoid |
| 例句 | Polyp forms then transform into the medusoid forms. Fundamentals of Biology 2015-01-01T00:00:00Z They have a life cycle that involves morphologically distinct forms—medusoid and polypoid—at various stages in their life cycle. Concepts of Biology 2013-04-25T00:00:00Z The result was a “medusoid”—a simple artificial creature composed of heart muscle cells overlaid on a sheet of silicone molded into a shallow cup rimmed with flaps. Robotic stingray powered by light-activated muscle cells 2016-07-07T04:00:00Z Right now, Parker’s medusoid is a two-layered creature of rat cells and silicone. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z The synthetic creature, dubbed a medusoid, looks like a flower with eight petals. Artificial Jellyfish Built from Rat Cells 2012-07-23T17:15:00.687Z These forms may produce additional polyps by budding or may transform into the medusoid form. Fundamentals of Biology 2015-01-01T00:00:00Z The polyps may bud to form more polyps and then transform into the medusoid forms. Concepts of Biology 2013-04-25T00:00:00Z Less than 1 cm in size, the medusoid has eight lobes, powered by rat heart muscle cells that make them swim like the jellyfish they were modeled after. Artificial Jellyfish Swims Like the Real Thing 2012-07-22T18:00:00Z The rat heart cells that comprise a medusoid’s body cannot sense light, but scientists have developed a relatively recent technique to endow cells with exactly this talent: optogenetics. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z When an electric field is applied across the structure, the muscle contracts rapidly, compressing the medusoid and mimicking a jellyfish’s power stroke. Artificial Jellyfish Built from Rat Cells 2012-07-23T17:15:00.687Z In certain hydroids, an imperfect zooid, whose special function is to produce medusoid buds. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z This animal, which has been found in N. America and in Germany, possesses both an asexual hydroid and a sexual medusoid generation. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z To get their artificial jellyfish, or medusoid, swimming, the researchers submerged it in a salty solution and ran an electric current through the water, jump-starting the rat cells. Artificial Jellyfish Swims Like the Real Thing 2012-07-22T18:00:00Z Even if you made a male and female medusoid and coaxed them to mate, they would not produce more medusoids. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z The elastic silicone then pulls the medusoid back to its original flat shape, ready for the next stroke. Artificial Jellyfish Built from Rat Cells 2012-07-23T17:15:00.687Z Such an animal, if it ever existed, probably lived near the surface of the sea, and even here it may have changed its medusoid mode of locomotion for one in the direction of its mouth. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z The medusoid generation is suppressed in this genus. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z The sexual cells of the medusoid lie in the endoderm on interradii, that is, on the second set of radii accentuated in the course of development. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" Since a medusoid cannot move without assistance, cannot eat and cannot reproduce, it does not qualify as a true jellyfish or any other animal for that matter. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z When placed between two electrodes in water, the medusoid swam like the real thing. Artificial Jellyfish Built from Rat Cells 2012-07-23T17:15:00.687Z The gonophores of many of the species become free jellyfishes; those of other species remain permanently attached as medusoid buds or sporosacs. The Gutenberg Webster's Unabridged Dictionary Section T, U, V, and W Theoretically, one could try to engineer functional gonads onto a medusoid, but that would not accomplish much. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z A medusoid does not have a functional genome. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z Optegenetics alone is not adequate to make a free-swimming medusoid respond to light with meaningful behaviors. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z The team now plans to build a medusoid using human heart cells. Artificial Jellyfish Built from Rat Cells 2012-07-23T17:15:00.687Z Successfully quilting a working medusoid genome that codes for a hodgepodge of rat heart cells and light-sensitive neurons is beyond current capabilities. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z Parker’s lab works on creating artificial models of human heart tissues for regenerating organs and testing drugs, and the team built the medusoid as a way of understanding the “fundamental laws of muscular pumps”. Artificial Jellyfish Built from Rat Cells 2012-07-23T17:15:00.687Z |
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