Definition of Sinoatrial Node in English :

Define Sinoatrial Node in English

Sinoatrial Node meaning in English

Meaning of Sinoatrial Node in English

Pronunciation of Sinoatrial Node in English

Sinoatrial Node pronunciation in English

Pronounce Sinoatrial Node in English

Sinoatrial Node

see synonyms of sinoatrial node

Noun

1. cardiac pacemaker, pacemaker, sa node, sinoatrial node

a specialized bit of heart tissue that controls the heartbeat

WordNet Lexical Database for English. Princeton University. 2010.


Sinoatrial Node

see synonyms of sinoatrial node
pacemaker (sense 2) pacemaker (sense 2a)
: sometimes called ˌsinoauˈricular node (ˌsaɪnoʊɔˈrɪkjələr ; sīˌnōôrikˈyələr)

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Sinoatrial Node

see synonyms of sinoatrial node
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.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.