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Beating heart of a banded chicken embryo at HH18 as captured by optical imaging. The video clearly shows the surgical suture that banded the heart OFT, as well as blood flowing through the ventricle and OFT. (Video 2, MP4, 1562 KB) [URL: http://dx.doi.org/10.1117/1.JBO.21.11.116003.2].
