1 文書を見つけるための辞書。

• superior vena cava, precava
• 上大静脈
• receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins
• 頭、腕、および胸から血液を受け、心臓の右房に流れ込む