Flashcards in Anatomy 2 -Cardiovascular System • The Heart Deck (56)
Location of the heart
In the mediastinum between the lungs
The base of the heart is what portion? And located where?
It is the broad superior portion and is located behind the rest of the heart
The heart tapers to a point known as...
The apex is what portion of the heart?
The inferior portion
The four chambers of the heart are
The right atrium, right ventricle, left atrium and left ventricle
System related to the right side of the heart
What side of the heart contains deoxygenated blood?
The right side
Blood from the right side of the heart goes where and undergoes what?
It goes to the lungs and undergoes gas exchange
What system is related to the left side of the heart?
The systemic system
What side of the heart contains oxygenated blood?
The left side
The internal features of the heart are
The pericardium and the heart wall
What makes up the pericardium and the heart wall
Pericardial cavity, parietal pericardium, visceral pericardium, myocardium and endocardium
Fibrous pericardium function
Allows the heart to beat in a frictionless motion
Serous pericardium function
Lines the sac, covers the heart and allows the heart to beat in a smooth motion
What is the myocardium
A thick muscular layer which is part off the fibrous skeleton
What is the endocardium
The smooth lining of the heart
What is the fossa ovalis
A thumb shaped impression on the right atrium
What was the function of the fossa ovalis
It was an opening during development that allowed direct blood flow from the right to the left atrium because the lungs were not developed
Muscular ridges in the atrium are known as
Muscular ridges in the ventricles are known as
Rounded muscular projections found in the ventricles are known as
Function of the chordae tendineae
Muscles attached along the edges of the valves to prevent the vales from opening up under high pressure
External features of the heart
Superior vena cava, ascending aorta, right auricle, right atrium, right ventricle, inferior vena cava, apex of the heart, left ventricle, left auricle, left atria, pulmonary trunk, left pulmonary artery, left pulmonary veins, coronary sinus, right pulmonary artery, right pulmonary veins and the arch of the aorta
What does the pulmonary trunk branch into
The pulmonary artery
What arteries supply the heart with blood
The coronary arteries. The left coronary artery branches into the circumflex branch and the anterior interventricular branch
Veins that drain the heart tissue
The cardiac veins
What are the three cardiac veins
The great, the middle and the small
Where is the great cardiac vein located
The anterior aspect of the heart
Where are the middle and small cardiac veins located
On the posterior aspect of the heart.