Historic Animation - Heart 03: Difference between revisions
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| <Flowplayer height="260" width="320" autoplay="false">Heart_historic_003.flv</Flowplayer> | | <Flowplayer height="260" width="320" autoplay="false">Heart_historic_003.flv</Flowplayer> | ||
| valign="top" | | | valign="top" |Four separate shifts of position | ||
Week 4 | |||
* Shift 1 - Head fold growth rotates heart and cavity 180 degrees | |||
* Shift 2 - Curvature of the body, cephalic growth | |||
Week 5 | |||
* Shift 3 and 4 - Growth of the liver | |||
Week 4 - First aortic arches declining, Third arches well developed | |||
* Myogenic contractions sufficient to circulate blood | |||
* Atrium migrates to higher location | |||
Week 5 - Ventricles do not contract simultaneously | |||
Week 6 - Separation of outflow has begun | |||
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Revision as of 00:12, 14 October 2009
<Flowplayer height="260" width="320" autoplay="false">Heart_historic_003.flv</Flowplayer> | Four separate shifts of position
Week 4
Week 5
Week 4 - First aortic arches declining, Third arches well developed
Week 5 - Ventricles do not contract simultaneously Week 6 - Separation of outflow has begun
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