|
  • Search Results
  • Advanced Search
  • List Builder
  • Random Word

SA node

DEFINITIONS OF: SA node

1

n a specialized bit of heart tissue that controls the heartbeat

Synonyms:
cardiac pacemaker, pacemaker, sinoatrial node
Type of:
cardiac muscle, heart muscle
the muscle tissue of the heart; adapted to continued rhythmic contraction
Launch
WORD FAMILY
USAGE EXAMPLES