Wednesday, August 3, 2011
Human Heart Evolution Seen Through Sea Squirt Pacemaker
A discovery has been made by a team of international molecular scientists that star ascidians, also known as sea squirts, have pacemaker cells similar to that of the human heart. The studies, published in the Journal of Experimental Zoology, Ecological Genetics and Physiology, may reveal new insights into the early evolution of the heart, as star ascidians are one of the closest related invertebrates to mammals...
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