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Posterior interventricular sulcus

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Posterior interventricular sulcus
Base and diaphragmatic surface of heart. (Sulcus visible at center but not labeled.)
Latin sulcus interventricularis anterior
Gray's subject #138 527
Dorlands/Elsevier s_28/12768877

The ventricles are separated by two grooves, one of which, the anterior longitudinal sulcus, is situated on the sternocostal surface of the heart, close to its left margin, the other posterior longitudinal sulcus (posterior interventricular sulcus, inferior interventricular groove), on the diaphragmatic surface near the right margin.

In it run the posterior interventricular artery and middle cardiac vein.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

Cardiovascular system - Heart - edit
atria (interatrial septum, musculi pectinati) | ventricles (interventricular septum, trabeculae carneae, chordae tendinaepapillary muscle) | valves

base | apex | grooves (coronary/atrioventricular, interatrial, anterior interventricula, posterior interventricular) | surfaces (sternocostal, diaphragmatic) | borders (right, left)

right heart(vena cavaecoronary sinus) → right atrium (auricle, fossa ovalis, limbus of fossa ovalis, crista terminalis, valve of the inferior vena cava, valve of the coronary sinus) → tricuspid valve → right ventricle (conus arteriosus, moderator band/septomarginal trabecula)  → pulmonic valve  → (pulmonary artery and pulmonary circulation)

left heart: (pulmonary veins)left atrium (auricle) → mitral valveleft ventricleaortic valve (aortic sinus) → (aorta and systemic circulation)

pericardium  (sinus) | epicardium | endocardium | myocardium | cardiac skeleton (fibrous trigone, fibrous rings)

conduction systemcardiac pacemaker | Purkinje fibers | bundle of His | SA node | AV node

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