Truncus arteriosus Flashcards

1
Q

Neural crest migrates to

A

Truncal and bulbar ridge

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2
Q

Truncal and bulbar ridge become

A

they spiral and fuse to form the aorticopulmonary septum

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3
Q

AP septum becomes

A

ascending aorta and pulmonary trunk

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4
Q

Pathology

A

Failure to spiral: ToGV
Skewed AP septum: ToF
Partial development: persistent TA

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