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Further along the outflow tract, the cushions are more dorsal and ventral to one another. This change in position is indicative of the spiraling of the aorticopulmonary septum, aorta and pulmonary artery.

 
                     Species: Mouse 
                     Day Gestation: 12 
             Approx. Human Age: 6 weeks 
                                   View: Craniocaudal view of 
                                            Transverse Cut
 
              Outflow Tract Septation
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