SINCE 1828
sinoventricular
adjective
si·no·ventricular
| \ ¦sī(ˌ)nō+\
variants:
or less commonly sinuventricular \ ¦sī(ˌ)n(y)ü+ \
Definition of sinoventricular
1
: of or relating to the sinus venosus and the ventricles of the heart
2
: of, involving, or being the sinoventricular system
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Merriam-Webster unabridged
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