L7 - Heart Flashcards
In what cavity does the heart sit?
The mediastinum
What layers make up the pericardium and heart (from superficial to deep)?
The fibrous pericardium, parietal pericardium, pericardial cavity, epicardium, myocardium, and endocardium
What separates the left and right halves of the heart?
The interatrial and interventricular septum
Where do the coronary veins lead?
The coronary sinus
Where does the coronary sinus drain?
The right atrium
What are the atrial muscular ridges called? What are the ventricular muscular ridges called?
Pectinate; trabeculae carneae
What two structures anchor the atrioventricular valves?
The papillary muscles and the chordae tendineae
What are the two ear-like flaps projecting from the atria?
The left and right auricles
Name the most prominent coronary arteries.
