The cardiovascular system - the right side of the heart Flashcards
1
Q
What are the ridges in the right atrium called and what is there a purpose?
What separates the smooth portion and rough?
A
Musculi Pectinati, power of contraction
Crista terminalis
2
Q
What is the coronary sinus?
A
A vein that drains the right side of the heart and returns blood to the right atrium
3
Q
Name the valves on the right side and how many cusps they have
A
Tricuspid valve and pulmonary valve - both 3 cusps
4
Q
What attach to the valves and what anchor to the edges of the valve leaflets?
A
Chordae Tendineae attach to valves and papillary muscles contract to pull open valves
5
Q
What is the rough and smooth portion of the right ventricle called?
A
Rough = trabecuale carneae
smooth = infundibulum - leads to the pulmonary trunk
