cardiac vein


Medical Definition of cardiac vein

: any of the veins returning the blood from the tissues of the heart that open into the right atrium either directly or through the coronary sinus: as
a : one that begins at the apex of the lower part of the heart, ascends in the sulcus between the ventricles in front, and curves around the heart to the left to join the coronary sinus in back

called also great cardiac vein

b : one that begins at the apex of the lower part of the heart and ascends along the sulcus between the ventricles in back to join the right extremity of the coronary sinus

called also middle cardiac vein

c : a vein that drains blood from the back of the atrium and ventricle on the right side of the heart, passes along the coronary sulcus, and empties into the coronary sinus near its opening into the right atrium

called also small cardiac vein

Learn More about cardiac vein

Share cardiac vein

Comments on cardiac vein

What made you want to look up cardiac vein? Please tell us where you read or heard it (including the quote, if possible).


excited commotion or publicity

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!