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CVS EMBRYOLOGY cntd. - Coggle Diagram
CVS EMBRYOLOGY cntd.
SEPTATION
ATRIAL SEPTATION
1.Septum primum:
Ostium primum > hole present prior to completion of fusion btwn. septum primum and Septum intermedium.
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2 septa and 3 ‘holes’>Controlled process>1hole, 1 septa>>communication>shunting to L. side>bypass n/functional Lungs
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ATRIA
R sinus Venosus>>entry for SVC/IVC , L side>>pulmonary veins
4th week>SINUS VENOSUS is responsible>>inflow of blood to the primitive heart>empties into the primitive atrium.(Venous blood>>R&Lsinus horns.)