Historic Animation - Heart 02: Difference between revisions
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| < | | <wikiflv width="320" height="260" autostart="false" position="left">Heart_historic_002.flv|File:Heart_historic_002_icon.jpg</wikiflv> | ||
| valign="top" | | | valign="top" |Sinus venosus - draining fluid and blood cells from 3 pairs of vessels (vitelline veins, umbilical veins, common cardinal veins) | ||
common cardinal veins = ducts of Cuvier (Scale bar 1 mm) | |||
* Heart tube - bends ventrally to the right | |||
* Caudal to cranial sequence: sinus venosus - primitive atria - conus - truncus arteriosus - aortic arches | |||
Middle Week 3 (Gestational Age - week 5) | |||
* Splanchnopleuric mesoderm - differentiated into epimyocardial mantle around the tubes | |||
* Two heart tubes - brought together by the folding of the body | |||
* Foregut - lies dorsal to the heart tubes | |||
End Week 3 | |||
* Spontaneous cardiac contractions | |||
* Detachment of the heart tube dorsally | |||
* Primordia of transverse sinus of the pericardium | |||
'''Next:''' [[Historic_Animation_-_Heart_03|Part 3]] | |||
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{{Template:Historic Heart}} |
Latest revision as of 19:47, 26 February 2013
Embryology - 22 May 2024 Expand to Translate |
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File:Heart_historic_002_icon.jpg</wikiflv> | Sinus venosus - draining fluid and blood cells from 3 pairs of vessels (vitelline veins, umbilical veins, common cardinal veins)
common cardinal veins = ducts of Cuvier (Scale bar 1 mm)
Middle Week 3 (Gestational Age - week 5)
End Week 3
Next: Part 3 |
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