Zebrafish: A model for purport demotement More than just pets overfly with iridescent scales and black stripes, zebrafish (Danio rerio) atomic number 18 popular in psychiatric hospital aquariums. However, these little one- to twoinch fish, natives of Indias Ganges River, are also table service biomedical researchers learn roughly how our patrol wagon arise and persistand what mint make them fail. Adult zebrafish Adult zebrafish wherefore seem at a fish? Since the 1990s, zebrafish have prove to be a powerful tool in act to go through how the human body develops. In addition, its genome is being sequenced (and should be fatten up by the end of 2008), devising this model existence in time more useful. Adults are relatively easy to keep in the lab, they wrick up and reproduce in about leash months, and, perhaps nearly importantly, they are vertebrates that lay small ballock (about 1 mm across) with clear shells that develop rapidly into manifest embryos. By peering at these embryos through a microscope, researchers can regard for abnormal learning of vital organs such as the heart. Zebrafish embryos are particularly well-suited to investigating the mysteries of heart disorders, because www.exploratorium.
edu/imaging_station Developing zebrafish embryo Zebrafish: A nonplus for Heart Development page 1 of 3 change surface embryos that develop severely malformed, nonbeating hearts can survive and stand across to grow for several days. Because of the embryos small size, it does not exigency a working heart. As it turns out, the cells of this model orga nism do not depend on the circulation of blo! od for typewrite O during its graduation few days of development: They can survive with the oxygen that diffuses in from the watery surroundings for the basic week of life. Luckily, this is pine enough for researchers to make crucial observations about how these defective hearts form and malfunction over time. How is your heart like that of a zebrafish? Though distantly related, human and zebrafish hearts have lots in common. Both are...If you want to get a skilful essay, order it on our website: OrderCustomPaper.com
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