Video 5. AVSD in an E14.5 Dp1Tyb heart.

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The video shows a whole heart that rotates to view the apex of the ventricles and then erodes upwards. The bridging leaflets across the common AV junction can first be seen at 00:05, but they are more clearly visible as the heart is eroded further and a close look at the AV valves is shown at the end of the video (00:16), where the superior and inferior bridging leaflets forms a common AV junction. Note the “unwedged” morphology of the left outflow tract on top of the superior bridging leaflet.