Fold of Left Vena Cava

Between the left pulmonary artery and subjacent pulmonary vein is a triangular fold of the serous pericardium; it is known as the ligament of the left vena cava (vestigial fold of Marshall).

It is formed by the duplicature of the serous layer over the remnant of the lower part of the left superior vena cava (duct of Cuvier), which becomes obliterated during fetal life, and remains as a fibrous band stretching from the highest left intercostal vein to the left atrium, where it is continuous with a small vein, the vein of the left atrium (oblique vein of Marshall), which opens into the coronary sinus.

This article incorporates text from a public domain edition of Gray's Anatomy.

Anatomy of torso, cardiovascular system: heart (TA A12.1, TH H3.09.01, GA 5.524)
General
Surface base · apex · grooves (coronary/atrioventricular, interatrial, anterior interventricula, posterior interventricular) · surfaces (sternocostal, diaphragmatic) · borders (right, left) · Openings of smallest cardiac veins
Internal

atria (interatrial septum, musculi pectinati, sulcus terminalis) · 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 (conus arteriosus, 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 · Purkinje fibers
Pericardial cavity Pericardial sinus
Pericardium fibrous pericardium (Sternopericardiac ligaments) · serous pericardium (epicardium/visceral layer) · Fold of the left vena cava

M: HRT

anat/phys/devp

noco/cong/tumr, sysi/epon, injr

proc, drug (C1A/1B/1C/1D), blte
Veins of the thorax and vertebral column (TA A12.3.01–04, 07, GA 7.664)
Thorax
Coronary
Coronary sinus Great cardiac (Left marginal) · Posterior of the left ventricle · Oblique of the left atrium (Ligament of the left vena cava) · Middle cardiac
Small cardiac vein Anterior cardiac (Right marginal)
Smallest cardiac veins Right atrial veins · Right ventricular veins
Pulmonary right inferior pulmonary vein · right superior pulmonary vein · left inferior pulmonary vein · left superior pulmonary vein
SVC
Brachiocephalic internal thoracic (anterior intercostal, superior epigastric, Kacheshmarova's vein (vena xiphia (vena africana))) · left superior intercostal · supreme · vertebral · subclavian (axillary: lateral thoracic, thoracoepigastric, dorsal scapular, external jugular) · pericardiacophrenic · internal jugular
Azygos right superior intercostal · bronchial · intercostal/posterior intercostal 5-11 · accessory hemiazygos/hemiazygos · superior phrenic
Striolae striola luteola · striola aureola · striola rubella
Vertebral column vertebral venous plexuses (external, internal) · spinal (posterior, anterior) · basivertebral · intervertebral

M: VAS

anat (a:h/u/t/a/l,v:h/u/t/a/l)/phys/devp/cell/prot

noco/syva/cong/lyvd/tumr, sysi/epon, injr

proc, drug (C2s+n/3/4/5/7/8/9)


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