sinuatrial valve

sinuatrial valve

the valve at the sinuatrial orifice at the opening of the sinus venosus into the primordial right atrium. Synonym(s): sinoatrial valve

si·nu·a·tri·al valve

(sī'nū-ā-trē-al valv) Valve at the sinuatrial orifice at the opening of the sinus venosus into the primordial right atrium.
Synonym(s): sinoatrial valve.