Embroyolgy Flashcards
1
Q
What aortic arches disappear?
A
1, 2 and 5
2
Q
What does the 3rd aortic arch turn into?
A
Common carotid
3
Q
4th right turns into what?
A
Right subclavian
4
Q
4th left turns into what?
A
Aortic arch
5
Q
6th right forms?
A
Right pulmonary artery
6
Q
6th left forms what?
A
Left pulmonary artery and ductus arteriosus
7
Q
What does the truncus ateriosus turn into?
A
Aortic arches
8
Q
What does the bulbus cordis turn into
A
RV and parts of outflow tracts
9
Q
What does the primitive ventricle turn into?
A
Left ventricle
10
Q
What does the primitive atrium
A
Parts of right or left atria
11
Q
What does the sinus venous turn into?
A
SVC
RA
12
Q
When does the CV system start
A
4th week
13
Q
What is patent ductus arteriosus
A
Aorta arch into pulmonary trunk
14
Q
Lung buds start at?
A
Week4
