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Questions and Answers
What is formed from the left horn of the aortic sac?
What is formed from the left horn of the aortic sac?
- Innominate artery
- Right subclavian artery
- Arch of the aorta (correct)
- Left subclavian artery
Between which aortic arches does the dorsal aorta disappear?
Between which aortic arches does the dorsal aorta disappear?
- Fifth and sixth
- Sixth and seventh
- Fourth and fifth
- Third and fourth (correct)
Which artery is formed from the right horn of the aortic sac?
Which artery is formed from the right horn of the aortic sac?
- Left subclavian artery
- Right subclavian artery
- Innominate artery (correct)
- Arch of the aorta
In the aortic arch system, what happens to the right dorsal aorta between the seventh intersegmental artery and the left dorsal aorta junction?
In the aortic arch system, what happens to the right dorsal aorta between the seventh intersegmental artery and the left dorsal aorta junction?
What is responsible for the recurrent course of the recurrent laryngeal nerves?
What is responsible for the recurrent course of the recurrent laryngeal nerves?
Which structure moves up and hooks around the right subclavian artery on the right side?
Which structure moves up and hooks around the right subclavian artery on the right side?
What persists as the ductus arteriosus on the left side?
What persists as the ductus arteriosus on the left side?
Which part of the aortic sac forms the innominate artery?
Which part of the aortic sac forms the innominate artery?
Which structure is formed when the two ventral aortae fuse during aortic arches development?
Which structure is formed when the two ventral aortae fuse during aortic arches development?
How many pairs of arteries arise from contributions of the aortic sac during aortic arches development?
How many pairs of arteries arise from contributions of the aortic sac during aortic arches development?
Where do the aortic arches connect the aortic sac and the dorsal aortae?
Where do the aortic arches connect the aortic sac and the dorsal aortae?
At what region does the fusion of the dorsal aortae to form a single vessel occur?
At what region does the fusion of the dorsal aortae to form a single vessel occur?
What happens to the fifth aortic arch during development?
What happens to the fifth aortic arch during development?
Which structure remains paired in the region of the aortic arches during development?
Which structure remains paired in the region of the aortic arches during development?
What is embedded in the pharyngeal arches during aortic arches development?
What is embedded in the pharyngeal arches during aortic arches development?
Which part of the arterial system does the aortic sac arise from?
Which part of the arterial system does the aortic sac arise from?
Which vessel regresses completely during further development of the arterial pattern?
Which vessel regresses completely during further development of the arterial pattern?
What divides the outflow channel of the heart into the ventral aorta and the pulmonary trunk?
What divides the outflow channel of the heart into the ventral aorta and the pulmonary trunk?
Which structure contributes to the formation of the brachiocephalic artery?
Which structure contributes to the formation of the brachiocephalic artery?
What is the fate of the remaining portion of the second aortic arch?
What is the fate of the remaining portion of the second aortic arch?
Which part of the internal carotid artery is formed by the third aortic arch?
Which part of the internal carotid artery is formed by the third aortic arch?
Which artery is a bud of the third aortic arch?
Which artery is a bud of the third aortic arch?
On which side does the fourth aortic arch form part of the arch of the aorta?
On which side does the fourth aortic arch form part of the arch of the aorta?
What is a classical clinical sign of coarctation of the aorta?
What is a classical clinical sign of coarctation of the aorta?
Which structure hooks around the right subclavian artery after the disappearance of the distal part of the sixth aortic arch?
Which structure hooks around the right subclavian artery after the disappearance of the distal part of the sixth aortic arch?
What anomaly is characterized by the persistence of the right dorsal aorta between the origin of the seventh intersegmental artery and its junction with the left dorsal aorta?
What anomaly is characterized by the persistence of the right dorsal aorta between the origin of the seventh intersegmental artery and its junction with the left dorsal aorta?
In which artery does the left recurrent laryngeal nerve hook around after transformation of the great arteries in adults?
In which artery does the left recurrent laryngeal nerve hook around after transformation of the great arteries in adults?
What abnormality involves obliteration of the left fourth arch and dorsal aorta replaced by corresponding vessels on the right side?
What abnormality involves obliteration of the left fourth arch and dorsal aorta replaced by corresponding vessels on the right side?
Which defect is one of the most frequently occurring abnormalities of the great vessels, especially in premature infants?
Which defect is one of the most frequently occurring abnormalities of the great vessels, especially in premature infants?
What happens to the fifth aortic arch during development?
What happens to the fifth aortic arch during development?
'Broken lines, obliterated components' refers to what stage in vascular development?
'Broken lines, obliterated components' refers to what stage in vascular development?
What does the distal part of the right subclavian artery come from?
What does the distal part of the right subclavian artery come from?
What happens to the fifth aortic arch according to the text?
What happens to the fifth aortic arch according to the text?
Which artery is known as the pulmonary arch?
Which artery is known as the pulmonary arch?
What does the proximal part of the sixth aortic arch become?
What does the proximal part of the sixth aortic arch become?
What happens to the distal portion of the right sixth aortic arch?
What happens to the distal portion of the right sixth aortic arch?
Which structure persists as the ductus arteriosus during intrauterine life?
Which structure persists as the ductus arteriosus during intrauterine life?
Where do the seventh intersegmental arteries migrate to?
Where do the seventh intersegmental arteries migrate to?
What does all of the subclavian artery on the left side come from?
What does all of the subclavian artery on the left side come from?
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