Nearby Words
Allergies and Sinus www.tylenol.com/Sinus What's Causing Your Sinus Headache? Get Sinus Symptom Information
Natural Sinus Treatments www.sinuswars.com/ Treat sinus, post nasal drip, allergies and more...
Mucinex® Official Site www.mucinex.com/ Relieve Your Sinus Congestion Fast. Mucinex® In. Mucus Out. Get Info!
Ads
noun Anatomy.
a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
|
Link To sinoatrial node
00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
Sinoatrial node
is always a great word to know.
So is kidney. Does it mean:
| originating outside the anatomical limits of certain muscles or nerves |
| one of the two organs in the back of the abdominal cavity that excrete urine, regulate fluid and electrolytes, and act as endocrine glands |
American Heritage
Medical Dictionary
sinoatrial node n.
Abbr. SAN
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 of the cardiac conduction system by generating at regular intervals the electric impulses of the heartbeat. Also called sinoauricular node, sinus node.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
sinoatrial node  (sī'nō-ā'trē-əl) Pronunciation Key
A small mass of specialized cardiac muscle fibers that acts as a pacemaker by initiating and maintaining normal heartbeat and cardiac rhythm. It is located in the right atrium. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Word Dynamo Rating For Sinoatrial node
Image for sinoatrial node
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
