Historic Animation - Heart 03: Difference between revisions

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#REDIRECT [[Heart_Historic_Movie_3]]
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| <Flowplayer height="260" width="320" autoplay="false">Heart_historic_003.flv‎</Flowplayer>
| <wikiflv width="320" height="260" autostart="false" position="left">Heart_historic_003.flv|File:Heart_historic_003_icon.jpg</wikiflv>
| valign="top" |Four separate shifts of cardiac position
| valign="top" |Four separate shifts of cardiac position


Week 4
Week 4 (Gestational Age - week 6)
* Shift 1 - Head fold growth rotates heart and cavity 180 degrees
* Shift 1 - Head fold growth rotates heart and cavity 180 degrees
* Shift 2 - Curvature of the body, cephalic growth
* Shift 2 - Curvature of the body, cephalic growth


Week 5
Week 5 (Gestational Age - week 7)
* Shift 3 and 4 - Growth of the liver
* Shift 3 and 4 - Growth of the liver


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{{Template:Historic Heart}}

Latest revision as of 17:19, 17 March 2013

File:Heart_historic_003_icon.jpg</wikiflv> Four separate shifts of cardiac position

Week 4 (Gestational Age - week 6)

  • Shift 1 - Head fold growth rotates heart and cavity 180 degrees
  • Shift 2 - Curvature of the body, cephalic growth

Week 5 (Gestational Age - week 7)

  • 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

Next: Part 4