sinus node


Definition of SINUS NODE

:  a small mass of tissue that is embedded in the musculature of the right atrium of higher vertebrates and that originates the impulses stimulating the heartbeat

First Known Use of SINUS NODE


sinus node

noun    (Medical Dictionary)

Medical Definition of SINUS NODE


Next Word in the Dictionary: sinusoidPrevious Word in the Dictionary: sinusitisAll Words Near: sinus node
March 30, 2015
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