Thorax 4 - heart and nerves in thorax Flashcards
1
Q
What 2 layers compose the pericardium?
A
Fibrous and serous
Serous has 2 parts:
- parietal (lines fibrous)
- visceral - lines heart
2
Q
What is fossali ovalis?
A
In the RA
Old opening in foetus from RA to LA which bypasses lungs. If not all the blood passes through there, other opportunity is the ductus arteriosum.
3
Q
The right and left dominant heart configurations are based on what?
A
On what supplies the SA node - either right or left coronary arteries
