Dictionary.com
definitions

sinus node

[sahy-nuh s]

noun Anatomy.

sinoatrial node.

Nearby words

  1. sinus arrhythmia,
  2. sinus block,
  3. sinus histiocytosis with massive lymphadenopathy,
  4. sinus iridum,
  5. sinus meridianii,
  6. sinus of dura mater,
  7. sinus of valsalva,
  8. sinus of vena cava,
  9. sinus pause,
  10. sinus rhythm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for sinus node

sinus node

n.

sinoatrial node
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.