SA node 1
noundomain: body part
Princeton WordNet [ver.3.1]
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EnglishDefinition
a specialized bit of heart tissue that controls the heartbeat
Synonyms
- pacemaker 2
a specialized bit of heart tissue that controls the heartbeat
- cardiac pacemaker 1
a specialized bit of heart tissue that controls the heartbeat
- sinoatrial node 1
a specialized bit of heart tissue that controls the heartbeat
