Word Study
sinningia |
sinningia speciosa |
sino-japanese war |
sino-tibetan |
sino-tibetan language |
sinoatrial node
| sinological
| sinologist
| sinologue
| sinology
| sinoper
sinoatrial node
WORDNET DICTIONARY
Noun sinoatrial node has 1 sense
- sinoatrial node(n = noun.body) cardiac pacemaker, pacemaker, sa node - a specialized bit of heart tissue that controls the heartbeat; Array is a kind of cardiac muscle, heart muscle
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