Heart Chamber Dissection Flashcards
1
Q
What is the white pale depression in the right atrium called?
A
Fossa ovalis
2
Q
What is the Foramen ovale?
A
It is the open version of the fossa ovalis in the fetus
3
Q
What is the function of the foreman ovale in the fetus?
A
Allows blood to flow straight from the right atria to the left atria so it can avoid pulmonary circulation since the fetus is not using its lungs
4
Q
What is a patent foreman ovale?
A
When the foreman ovale has not sealed properly in the adult leaving a hole in in the septum
5
Q
Where is the coronary sinus entry into the heart?
A
Right atrium
6
Q
What muscle is on the outside of the right atrium?
A
Pectinate muscle
7
Q
Describe the appearance of the appearance of the muscle as it goes from the outer part of the inside of the atria more central:
A
Rough to smooth
