SA NODE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does SA node mean? 

• SA NODE (noun)
  The noun SA NODE has 1 sense:

1. a specialized bit of heart tissue that controls the heartbeat

  Familiarity information: SA NODE used as a noun is very rare.

 Dictionary entry details 

• SA NODE (noun)

Sense 1

Meaning:

A specialized bit of heart tissue that controls the heartbeat

Classified under:

Nouns denoting body parts

Synonyms:

cardiac pacemaker; pacemaker; SA node; sinoatrial node

Hypernyms ("SA node" is a kind of...):

cardiac muscle; heart muscle (the muscle tissue of the heart; adapted to continued rhythmic contraction)