precavan. 前腔靜脈學術名詞前大靜脈：動物學前腔靜脈：動物學上大靜脈：動物學顱側腔靜脈：動物學英文釋義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