Outflow Tract Development

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Presentation transcript:

Outflow Tract Development Right Oblique View of Cut Heart – Beginning of the 5th Week UNSW Embryology

Right and Left AV Canals Right Oblique View of Cut Heart – Beginning of the 5th Week Lumen of Conotruncus Right and Left Atria Right and Left AV Canals

Muscular Ventricular Septum Right and Left Ventricles Right Oblique View of Cut Heart – Beginning of the 5th Week Lumen of Conotruncus Endocardial Cushions Muscular Ventricular Septum Right and Left Ventricles

Development of Truncal and Bulbar Endocardial Cushions

Development of Truncal and Bulbar Endocardial Cushions Truncal Ridges Bulbar Ridges

The ridges grow superiorly and inferiorly & fuse with the atrioventricular endocardial cushions and IV septum

The ridges grow superiorly and inferiorly & fuse with the atrioventricular endocardial cushions and IV septum

The ridges grow superiorly and inferiorly & fuse with the atrioventricular endocardial cushions and IV septum

The ridges grow superiorly and inferiorly & fuse with the atrioventricular endocardial cushions and IV septum

The pulmonary trunk and aorta develop from this division

Future Pulmonary Trunk The pulmonary trunk and aorta develop from this division Future Pulmonary Trunk Future Aorta

The pulmonary trunk and aorta develop from this division

The pulmonary trunk and aorta develop from this division

The pulmonary trunk and aorta develop from this division

The pulmonary trunk and aorta develop from this division