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The posterior interventricular sulcus or posterior longitudinal sulcus is one of the two grooves separating the ventricles of the heart (the other being the anterior interventricular sulcus). They can be known as subsinosal interventricular groove or paraconal interventricular groove respectively.
The PDA supplies the posterior third of the interventricular septum. The remaining anterior two-thirds is supplied by the left anterior descending artery, which is a branch of left coronary artery. It is typically a branch of the right coronary artery (70%, known as right dominance).
18 sty 2024 · The posterior interventricular artery (posterior descending artery, PDA) is a branch of the right coronary artery. It is also commonly referred to as the inferior interventricular artery, a more accurate name given that it is not located on the posterior surface of the heart.
- Anterior interventricular sulcus: A groove on the anterior surface of the heart. It marks the boundary of the left and right ventricles - Posterior interventricular sulcus: A groove on the posterior surface of the heart, marks the boundary between left and right ventricles.
Interventricular sulcus may refer to: Posterior interventricular sulcus, one of the two grooves that separates the ventricles of the heart, near the right margin. Anterior interventricular sulcus, one of two grooves that separates the ventricles of the heart, never the left margin.
17 sty 2024 · A groove that runs lengthwise along the heart, from the base to the apex, divides the right and left ventricles—this is called the interventricular groove, or sulcus. A groove that runs around the base of the heart divides the atria from the ventricles—this is called the atrioventricular groove.
20 kwi 2023 · Posterior interventricular sulcus – located on the posterior surface of the heart and represents the separation of the left and right ventricle. It contains the posterior interventricular artery and the middle cardiac vein.
