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Circumflex Branch
grooves
''Distal right coronary artery continuation segment (R PAV): The terminal portion of the right coronary artery in a right dominant circulation. This segment lies in or near the atrioventricular (AV) groove and gives rise to a variable number of right posterolateral segments. This segment is the terminal portion of the right coronary artery and begins at the bifurcation of the distal RCA and PDA and gives rise to the AV nodal artery as well.
The grooves on the pulley wheel
Posterior Interventricular Branch.
I believe it is the same as the coronary sulcus, or at least the coronary sulcus is one of the two AV sulci. If i am correct than it is the groove on the outside of heart, in which, the circumflex artery lies.
the right interventricular sulcus I think it is atrioventricular sulus
The atrioventricular sulcus or groove is where the right coronary artery lies. It is between the right atrium and the right ventricle.
tricuspid valve
The trachea - otherwise known as the windpipe. Lower down the oesophagus sits close the spine behind the lungs and heart, passing through the diaphragm to join with the stomach. Arteries and veins sit nearby.
anterior interventricular branch you're welcome!!!!
He was known as the "Father of History" but he was also known as the "Father of Lies"