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  1. sinoatrial node love

Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. A small mass of specialized cardiac muscle fibers located in the posterior wall of the right atrium of the heart that acts as a pacemaker by generating at regular intervals the electric impulses of the heartbeat. Also called sinoauricular node, sinus node.

WordNet 3.0

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

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hypernyms (2)

Words that are more generic or abstract

  1. cardiac muscle
  1. heart muscle

reverse dictionary (6)

Words that contain this word in their definition

  1. sinoauricular node
  1. sinus node
  1. sinoatrial
  1. atrioventricular node
  1. S-A node
  1. pacemaker

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