Aortic arches

ANATOMY

1. Aortic Arches Introduction to primitive cardiovascular system Primitive heart Primitive Vessels Aortic Arches Introduction Definition Origin Transformation into adult pattern Derivatives of aortic Arches Course of recurrent laryngeal nerve Anamolies of aortic Arches

2. Introduction to primitive cardiovascular system Angiogenesis Stages Blood Islands formation Appearance of cavities Primitive endothelium Primitive endothelial channels Fusion of the vessels

3. Primitive heart Time Site Stages : Paired endothelial cords Canalisation Paired longitudinal tubes Heart tubes Fusion of heart tubes Single tubular heart

4. Primitive Heart

5. Primitive CVS

6. Aortic Arches Introduction: Formation of primitive aortae Definition: Origin: Transformation into adult arterial system: Aortic Arches at 6 th week of IUL Aortic Arches at 7 th week of IUL Arterial arrangement at 8 th week Arterial arrangement in 6 months old infants

7. Formation of primitive aortae

8. Definition

9. Origin

10. Transformation into adult arterial system Aortic Arches at 6 th week of IUL

11. Aortic Arches at 7 th week of IUL

12. Arterial arrangement at 8 th week

13. Arterial arrangement in 6 months old infants

14. Derivatives of Aortic Arches 1 st Aortic Arch 2 nd Aortic Arch 3 rd Aortic Arch 4 th Aortic Arch 5 th Aortic Arch 6 th Aortic Arch Dorsal aorta changes

15. Course of recurrent laryngeal nerve

16. Anomalies of Aortic Arches Patent ductus arteriosus

17. Coarctation of aorta Types

18. Abnormal origin of right subclavian artery: Types

19. Double aortic arch

20. Right aortic arch

21. Interrupted aortic arch

22. Persistent ductus caroticus