Four separate shifts of cardiac position
- Shift 1 - Head fold growth rotates heart and cavity 180 degrees
- Shift 2 - Curvature of the body, cephalic growth
- 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
|About Historic Animations
| Animations are modified and converted from a historic film (circa 1960's, copyright unknown) demonstrating aspects of human heart development.
The sound quality is quite poor and some of the information is now out of date, most general concepts are still correct.
Please note the relatively large size (Mb) of each excerpt will effect download and viewing.
Glossary Links: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Movies
Cite this page: Hill, M.A. (2021, June 22) Embryology Heart Historic Movie 3. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Heart_Historic_Movie_3
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- © Dr Mark Hill 2021, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G