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Press Release 10-128
From the Heart: How Cells Divide to Form Different but Related Muscle Groups

Discovery of an evolutionary trait from our earliest ancestors could provide insight into the early development of human embryos

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This video explains how studies of developing sea squirts provide scientists with clues about the evolutionary origin of the heart-jaw connection in vertebrates.

Credit: National Science Foundation


Cover of the July 30, 2010, issue of Science magazine.

"Early Chordate Origins of the Vertebrate Second Heart Field" appears in the July 30 issue of the journal Science.

Credit: Copyright AAAS 2010

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