BASED GUIDE FOR A+ RESULTS!!
Blood Flow
answers: SVC, IVC, Coronary sinus → RA → TV → RV → PV → MPA →
Right and left PA → Lungs → PV
→ LA → MV → LV → AOV → Aorta → Rest of body
Semilunar valves
answers: pulmonic valve and aortic valve.
anatomy of aortic valve
answers: -noncoronary cusp
-left coronary cusp
-right coronary cusp
what is behind each coronary cusp?
answers: a pouch called the sinus of Valsalva
What is the sinus of Valsalva?
answers: pouch like structure above the aortic valve form which the coronary
arteries arise
atrioventricular valves
, answers: Valves located between the atrial and ventricular chambers on each side
of the heart, prevent backflow into the atria when the ventricles are contracting.
(Tricuspid valve, Mitral/bicuspid valve)
Location of rudimentary valves
answers: Eustachian valve - Inferior Vena Cava
Thebesian valve - Coronary Sinus
Eustachian valve
answers: An embryologic remnant of the valve of the inferior vena cava
Thebesian valve
answers: an embryologic remnant of the valve of the coronary sinus
Layers of heart
answers: ▪ Endocardium - inner layer
▪ Myocardium - middle layer, muscle layer
▪ Epicardium - outer layer
Pericardium
answers: The pericardium contains 10-50 ml fluid within the pericardial space,
between the visceral and parietal layers
pericardial layers