Small cardiac vein

The small cardiac vein runs in the coronary sulcus between the right atrium and ventricle and opens into the right extremity of the coronary sinus.

Small cardiac vein
Base and diaphragmatic surface of heart (small cardiac vein labeled at lower right.)
RCA = right coronary
AB = atrial branches
SANB = sinuatrial nodal
RMA = right marginal
LCA = left coronary
CB = circumflex branch
LAD/AIB = anterior interventricular
LMA = left marginal
PIA/PDA = posterior descending
AVN = atrioventricular nodal

SCV = small cardiac
ACV = anterior cardiac
AIV/GCV = great cardiac
MCV = middle cardiac
CS = coronary sinus
Drains toCoronary sinus
LatinVenae cardiacae minimae,
vena cordis parva
Anatomical terminology

It receives blood from the posterior portion of the right atrium and ventricle.

It may drain to the coronary sinus, right atrium, middle cardiac vein, or be absent.[1]


This article incorporates text in the public domain from page 642 of the 20th edition of Gray's Anatomy (1918)

  1. Paul A. Iaizzo (7 July 2009). Handbook of Cardiac Anatomy, Physiology, and Devices. Springer. pp. 83–. ISBN 978-1-60327-371-8. Retrieved 31 October 2010.
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