Posterior interventricular sulcus

Posterior interventricular sulcus
Base and diaphragmatic surface of heart. (Posterior interventricular sulcus visible at lower left, where the middle cardiac vein is labeled.)
Details
Identifiers
Latin	Sulcus interventricularis posterior
Dorlands /Elsevier	s_28/12768877
TA	A12.1.00.010
FMA	7178
*Anatomical terminology* [edit on Wikidata]

The posterior interventricular sulcus or posterior longitudinal sulcus is one of the two grooves that separates the ventricles of the heart and is on the diaphragmatic surface of the heart near the right margin. The other groove is the anterior longitudinal sulcus, situated on the sternocostal surface of the heart, close to its left margin.

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

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

-442892230 at GPnotebook
thoraxlesson4 at The Anatomy Lesson by Wesley Norman (Georgetown University)

Anatomy of the heart

General

Surface

Internal

atria interatrial septum pectinate muscles terminal sulcus ventricles interventricular septum trabeculae carneae chordae tendineae papillary muscle valves cusps atrioventricular septum

cardiac skeleton intervenous tubercle

Chambers

Right heart	(venae cavae, coronary sinus) → right atrium (atrial appendage, fossa ovalis, limbus of fossa ovalis, crista terminalis, valve of inferior vena cava, valve of coronary sinus) → tricuspid valve → right ventricle (infundibulum, moderator band/septomarginal trabecula) → pulmonary valve → (pulmonary artery and pulmonary circulation)

Left heart	(pulmonary veins) → left atrium (atrial appendage) → mitral valve → left ventricle → aortic valve (aortic sinus) → (aorta and systemic circulation)

Layers

Endocardium	heart valves

Myocardium	Conduction system cardiac pacemaker SA node AV node bundle of His bundle branches Purkinje fibers

Pericardial cavity	pericardial sinus

Pericardium	fibrous pericardium sternopericardial ligaments serous pericardium epicardium/visceral layer fold of left vena cava

Blood supply

Coronary circulation

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