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Small cardiac vein: anatomy, location and function

A coronary vein along the right margin of the heart. It drains the right atrium and right ventricle.

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Highlighted in the model: Small cardiac vein. Click any part to read about it, or switch off “Highlight topic” to see the whole body. 3D data: BodyParts3D, © The Database Center for Life Science, CC BY 4.0; meshes simplified and recoloured. The model is an adult male.

Small cardiac vein at a glance

What it is
A coronary vein along the right margin of the heart.
Location
It runs in the coronary groove between the right atrium and ventricle, often receives the right marginal vein, and drains into the coronary sinus or the middle cardiac vein.
Function
It drains the right atrium and right ventricle.
Body system
Cardiovascular · single, midline structure
FMA ID
FMA4714 (Foundational Model of Anatomy)

Key facts

  • It accompanies the right coronary artery in the coronary groove and is often small or absent.

Structures next to the small cardiac vein

The nearest named structures in the 3D model, measured from the centre of each part:

References

  1. Foundational Model of Anatomy: Small cardiac vein (FMA4714). EMBL-EBI Ontology Lookup Service.
  2. OpenStax. Anatomy and Physiology 2e, §20.1 Structure and Function of Blood Vessels. Rice University, 2022.
  3. Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.

Related anatomy

Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.