39 Questions
What is formed from the left horn of the aortic sac?
Arch of the aorta
Between which aortic arches does the dorsal aorta disappear?
Third and fourth
Which artery is formed from the right horn of the aortic sac?
Innominate artery
In the aortic arch system, what happens to the right dorsal aorta between the seventh intersegmental artery and the left dorsal aorta junction?
Disappears
What is responsible for the recurrent course of the recurrent laryngeal nerves?
The heart's descent
Which structure moves up and hooks around the right subclavian artery on the right side?
Recurrent laryngeal nerve
What persists as the ductus arteriosus on the left side?
Sixth aortic arch
Which part of the aortic sac forms the innominate artery?
Right horn
Which structure is formed when the two ventral aortae fuse during aortic arches development?
Aortic sac
How many pairs of arteries arise from contributions of the aortic sac during aortic arches development?
Five pairs
Where do the aortic arches connect the aortic sac and the dorsal aortae?
Ventrally
At what region does the fusion of the dorsal aortae to form a single vessel occur?
Caudal to the sixth arch
What happens to the fifth aortic arch during development?
It forms incompletely and then regresses
Which structure remains paired in the region of the aortic arches during development?
Dorsal aortae
What is embedded in the pharyngeal arches during aortic arches development?
Dorsal aortae
Which part of the arterial system does the aortic sac arise from?
(Arterial System)
Which vessel regresses completely during further development of the arterial pattern?
Stapedial artery
What divides the outflow channel of the heart into the ventral aorta and the pulmonary trunk?
Aorticopulmonary septum
Which structure contributes to the formation of the brachiocephalic artery?
First aortic arch
What is the fate of the remaining portion of the second aortic arch?
Contributes to the stapedial artery
Which part of the internal carotid artery is formed by the third aortic arch?
Proximal part
Which artery is a bud of the third aortic arch?
External carotid artery
On which side does the fourth aortic arch form part of the arch of the aorta?
Left side
What is a classical clinical sign of coarctation of the aorta?
Hypertension in the arms with low blood pressure in the legs
Which structure hooks around the right subclavian artery after the disappearance of the distal part of the sixth aortic arch?
Right recurrent laryngeal nerve
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?
Double aortic arch
In which artery does the left recurrent laryngeal nerve hook around after transformation of the great arteries in adults?
Ligamentum arteriosum
What abnormality involves obliteration of the left fourth arch and dorsal aorta replaced by corresponding vessels on the right side?
Right sided aortic arch
Which defect is one of the most frequently occurring abnormalities of the great vessels, especially in premature infants?
Patent ductus arteriosus
What happens to the fifth aortic arch during development?
It partially forms and then disappears
'Broken lines, obliterated components' refers to what stage in vascular development?
Aortic arches after transformation
What does the distal part of the right subclavian artery come from?
Right dorsal aorta
What happens to the fifth aortic arch according to the text?
It forms incompletely and regresses
Which artery is known as the pulmonary arch?
Sixth aortic arch
What does the proximal part of the sixth aortic arch become?
Pulmonary arteries
What happens to the distal portion of the right sixth aortic arch?
Loses connection with the dorsal aorta and disappears
Which structure persists as the ductus arteriosus during intrauterine life?
Distal part of left subclavian artery
Where do the seventh intersegmental arteries migrate to?
Level of the fourth aortic arch
What does all of the subclavian artery on the left side come from?
Seventh aortic arch
Test your knowledge on the development, fate, and derivatives of the aortic arches in the arterial system. Learn to correlate between the developmental basis of aortic arches and different congenital anomalies. Explore concepts like the fusion of ventral aortae to form the aortic sac.
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