静じょう脈みゃく洞どう

noun

venous sinus

General anatomical term for a large vein or channel carrying venous blood, such as the dural venous sinuses.

• 硬こう膜まく静じょう脈みゃく洞どうは脳のうの静じょう脈みゃく血けつを集あつめる。

  The dural venous sinuses collect venous blood from the brain.

noun

sinus venosus

Specifically refers to the sinus venosus, a developmental structure in the embryonic heart that later forms part of the right atrium.

• 胎たい児じの心しん臓ぞうでは静じょう脈みゃく洞どうが右う心しん房ぼうの一いち部ぶになる。

  In the fetal heart, the sinus venosus becomes part of the right atrium.