opening of superior vena cava

o·pen·ing of su·pe·ri·or ve·na ca·va

[TA]
the point of entry of the superior vena cava into the right atrium.
Synonym(s): ostium venae cavae superioris [TA], orifice of superior vena cava
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Moreover the area around the opening of superior vena cava should be avoided when ablation is performed in the right atrium.
Valve surgery in combination with cryoablation in the treatment of atrial fibrillation
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