Coronary sinus

Coronary sinus
Posterior view of coronary circulation
Details
PrecursorSinus venosus
Drains fromGreat, middle, small cardiac vein, posterior vein of the left ventricle, oblique vein of the left atrium
Drains toRight atrium
Identifiers
Latinsinus coronarius
MeSHD054326
TA98A12.3.01.002
TA24158
FMA4706
Anatomical terminology

The coronary sinus (from Latin corona 'crown'[citation needed]) is the largest vein of the heart.[1][2] 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 of the left atrium. It receives multiple tributaries. It passes across the backside of the heart along a groove between left atrium and left ventricle, then drains into the right atrium at the orifice of the coronary sinus (which is usually guarded by the valve of coronary sinus).

  1. ^ Wilson, Alexander; Bhutta, Beenish S. (2022), "Anatomy, Thorax, Coronary Sinus", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID 32491498, retrieved 2023-01-05
  2. ^ Morton, David A. (2018). The Big Picture: Gross Anatomy. K. Bo Foreman, Kurt H. Albertine (2nd ed.). New York. p. 54. ISBN 978-1-259-86264-9. OCLC 1044772257.{{cite book}}: CS1 maint: location missing publisher (link)

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