Formation Of Pericardium Flashcards
1
Q
Before cranial folding of the embryo, what is the position of the heart tube in relation to the pericardial cavity?
A
The heart tube is ventral to the pericardial cavity
2
Q
After cranial folding what is the position of the heart tube in relation to the pericardial cavity?
A
The heart tube is dorsal to the pericardial cavity
3
Q
Where is the pericardium derived from?
A
The intra-embryonic coelom of the lateral plate mesoderm.
4
Q
What is formed from the somatic mesoderm?
A
Parietal layer of serous pericardium and the fibrous pericardium
5
Q
Where is the visceral (epicardium) layer of serous pericardium derived from?
A
Splanchnic mesoderm
6
Q
What is the name of the venous end and arterial end of the primitive heart tube?
A
Venous is caudal end
Arterial is cranial end
