Truncus arteriosus Flashcards
1
Q
Neural crest migrates to
A
Truncal and bulbar ridge
2
Q
Truncal and bulbar ridge become
A
they spiral and fuse to form the aorticopulmonary septum
3
Q
AP septum becomes
A
ascending aorta and pulmonary trunk
4
Q
Pathology
A
Failure to spiral: ToGV
Skewed AP septum: ToF
Partial development: persistent TA