Surfaces and borders of the heart Flashcards
Which anatomical direction is the apex of the heart facing?
Anterior- inferior direction
Which area of the heart makes up the right border of the heart?
Right atrium
Which areas of the heart makes up the inferior surface?
Right and left ventricles
Which area of the heart makes up the left border of the heart?
Mostly left ventricle and some left atrium
Which areas of the heart makes up the superior surface of the heart?
Right and left atria and major blood vessels
What line runs transversely around the heart representing the line between the atria and ventricles?
Coronary sulcus/ atrioventricular groove
What are the names of the two vertical lines representing the divide between the ventricles?
The anterior and posterior interventricular sulci
How are pericardial sinus’ formed?
They are passageways formed when the pericardium folds around the great vessels.
Which pericardial sinus is found on the anterior surface of the heart?
Transverse pericardial sinus.
Describe the borders of the transverse pericardial sinus?
Anterior border- ascending aorta and pulmonary trunk.
Posterior surface- superior vena cava
Inferior surface- left atrium
Where on the body is the apex beat?
5th intercostal space, left midclavicular line
