Cardiovascular System 1 Flashcards
The heart is covered by the _____________.
The heart is covered by the pericardium.
Outline the two layers of the pericardium.
- A fibrous layer which is thick and which adheres to the central tendon of the diaphragm.
- A serous layer which is thin and smooth, a single layer of serous membrane.
As the heart grows, is grows into the __________ ___, taking a layer of ______ __________ with it.
As the heart grows, is grows into the pericardium sac, taking a layer of serous pericardium with it.
Serous pericardium of the heart lines which two features?
The heart itself (visceral serous pericardium), and the fibrous pericardium (parietal serous pericardium).
Where is the base of the heart located?
The posterior aspect of the heart.
Which chamber of the heart forms most of the apex of the heart?
The left ventricle.
Muscular ridges known as musculi pectinati are associated with what type of chamber?
The atria.
The SVC and IVC both drain into which chamber?
The right atrium.
Venous blood of the heart itself is drained by the ________ ______.
Coronary sinus.
Which chamber does the coronary sinus open into?
The right atrium.
The coronary sinus is adjacent to the valve of the ________ _____ _____.
Inferior vena cava.
Where is the fossa ovalis found?
In the posterior wall of the right atrium. (Also seen in the left atrium).
The ventricles of the heart have massive muscular ridges known as what?
Trabeculae carneae.
Papillary muscles are a specialised type of what?
Trabeculae carneae.
How many papillary muscles are there in the right ventricle?
3
