TRUNCUS ARTERIOSUS

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Last Updated : 1/11/2010
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N C Joshi
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Types
- MPA arises from the truncus
- The pulmonary arteries arise from the posterior aspect of the truncus
- The pulmonary arteries arise from the lateral aspect of the truncus
- Bronchial arteries arise from the descending aorta


Types of Truncus Arteriosus


Anatomical

types of persistent truncus arteriosus

- Type I, the MPA arises from the truncus and then divides into the right and left pulmonary arteries.
- Type II, the pulmonary arteries arise from the posterior aspect to the truncus.
- Type III, the pulmonary arteries arise from the lateral aspects of the truncus.
- Type IV, or

pseudotruncus arteriosus

, bronchial arteries arising from the descending aorta and supplying the lungs.



Contributor Information and Disclosures N C Joshi
Consultant Pediatrician, Nanavati Hospital, Mumbai, India


First Created : 1/8/2001
References
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