| SA node |
pacemaker: a specialized bit of heart tissue that controls the heartbeat
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| SA node |
The heart's natural pacemaker, located in the upper part of the heart, normally regulates your heart rate.
출처: www.augustacardiology.com/faq.php
|
| SA node |
Sinoatrial node of the heart.
출처:
|