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Coronary sinus - Wikipedia
The coronary sinus (from Latin corona 'crown' ) is the largest vein of the heart. It drains over half of the deoxygenated blood from the heart muscle into the right atrium. It begins on the backside of the heart, in between the left atrium, and left ventricle; it begins at the junction of the great cardiac vein, and oblique vein … See more
Origin
The coronary sinus arises upon the posterior aspect of the heart between the left atrium, … See more• Interior of heart, viewed anteriorly (opening of coronary sinus is labeled)
• Back (posterior) side of the heart, with coronary sinus (blue) labeled See more• Anatomy figure: 20:04-03 at Human Anatomy Online, SUNY Downstate Medical Center – "Posterior view of the heart."
• MedEd at Loyola See moreThe coronary sinus is responsible for venous return of about 55% of the cardiac blood supply. See more
Electrodes can be inserted into and through the coronary sinus to study the electrophysiology of the heart. This includes for a … See more
Wikipedia text under CC-BY-SA license Coronary sinus: Anatomy, tributaries, drainage | Kenhub
Watch full videoNov 3, 2023 · The coronary sinus is the largest cardiac venous structure. It arises from the confluence of the oblique vein (of Marshall) of left atrium and the great cardiac vein. The sinus then courses for about 2 or 3 cm …
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Coronary sinus: Anatomy, function, and significance - Medical …
- The coronary sinus (CS) refers to a collection of veins that join together to form a large blood ve…
The heart is a vital organ and the central component of the circulatory system. To help pump blood around the body, it uses a network of arteries and veins. The CS is responsible for delivering deoxygenated blood to the right atrium and plays a vital role in life saving heart treat… - A collection of coronary veins join to form the CS. This large vein receives blood from the myoc…
In this article, we will discuss the anatomy and function of the CS, as well as the clinical role of the CS.
- The coronary sinus (CS) refers to a collection of veins that join together to form a large blood ve…
The Anatomy of the Coronary Sinus - Verywell Health
Jan 12, 2024 · The coronary sinus is located on the heart’s posterior (behind) surface and is positioned between the left ventricle and the left atrium. All mammals, including humans, are known to have a coronary sinus.
Coronary sinus - Structure, Location, Function, Anatomy
Jan 23, 2025 · The coronary sinus is a large venous structure in the heart that collects deoxygenated blood from the heart’s myocardium.[7] It serves as the main drainage vessel for …
Coronary sinus | Radiology Reference Article - Radiopaedia.org
Oct 27, 2024 · The coronary sinus develops from one of the two sinus horns of the sinus venosum. The other horn becomes part of the right atrium. The right venous valve of the sinus …
Anatomy, Thorax, Coronary Sinus - StatPearls - NCBI …
Jul 24, 2023 · The coronary sinus is the major venous tributary of the greater cardiac venous system; it is responsible for draining most of the deoxygenated blood leaving the myocardium. Given the advancement of interventional …
Coronary Sinus | Complete Anatomy - Elsevier
Explore the coronary sinus' origin, course, tributaries, and its function of delivering deoxygenated blood from the myocardium to the right atrium.
Coronary System Tutorial - What is the Coronary …
The coronary sinus serves as the primary collector of cardiac venous blood and is located in the atrioventricular groove on the diaphragmatic surface of the heart [6-7]. The coronary sinus is the largest cardiac vein in terms of diameter.
Coronary arteries and cardiac veins: Anatomy and …
Jul 13, 2023 · The coronary sinus is roughly a 3 cm saccular dilatation between the left cardiac chambers. The sinus commences at the junction of the great cardiac vein and the oblique vein of the left atrium. It is oriented obliquely in …
Coronary veins | Radiology Reference Article - Radiopaedia.org
Nov 24, 2024 · The coronary veins return deoxygenated blood from the myocardium back to the right atrium. Most venous blood returns via the coronary sinus. Coronary venous anatomy is …
Arrhythmogenicity of the Coronary Sinus - PMC - PubMed …
The coronary sinus (CS) is the cardiac venous system that begins at its ostium in the right atrium and ends at the origin of the great cardiac vein [1-3]. The major tributaries of the CS include …
Coronary Sinus | Atlas of Human Cardiac Anatomy - Medical School
The coronary sinus is located in the posterior portion of the coronary sulcus on the diaphragmatic or posterior surface of the heart.
Coronary sinus - e-Anatomy - IMAIOS
The coronary sinus (CS) is located in the posterior part of the coronary sulcus, between the left atrium and left ventricle. It opens into the right atrium between the inferior vena cava and the …
Imaging of the Coronary Sinus: Normal Anatomy and Congenital ...
Jun 27, 2012 · Normal cardiac venous anatomy is reviewed, and the spectrum of normal variants and congenital anomalies of the coronary sinus is described, with emphasis on their …
Vasculature of the Heart - TeachMeAnatomy
Feb 9, 2025 · The venous drainage of the heart is mostly through the coronary sinus – a large venous structure located on the posterior aspect of the heart. The cardiac veins drain into the …
Coronary Sinus - an overview | ScienceDirect Topics
The coronary sinus is the receptacle for the majority of the epicardial veins, including the oblique vein, the inferior vein of the left ventricle, the great cardiac vein, the left marginal vein, anterior …
Peculiarities in coronary sinus anatomy: implications for …
The coronary sinus (CS) is the central vein of the coronary venous system, which runs in the posterior part of the coronary groove as a continuation of the great cardiac vein from the …
Coronary Sinus - an overview | ScienceDirect Topics
The coronary sinus is defined as a structure in the cardiac venous system that is considered the most constant in humans, although variations such as duplication or absence have been …
Opening of coronary sinus - e-Anatomy - IMAIOS
The coronary sinus opens into the atrium, between the orifice of the inferior vena cava and the atrioventricular opening. The opening of coronary sinus returns blood from the substance of …
The coronary sinus: Passive bystander or source of arrhythmia? 1
The coronary sinus provides access to the epicardial space of the heart allowing ablation of epicardial accessory pathways, foci of ventricular arrhythmia, and arrhythmogenic areas such …
Sinus Arrhythmia vs AFib: Understanding the Difference
5 days ago · Sinus Arrhythmia. Sinus arrhythmia is a natural and periodic variation in the heart’s rhythm and represents a normally functioning heart. In a normal sinus rhythm, the time …