See-seq-. 1  Music and Dance(used as a musical direction) to continue at once with the next musical section. 2  to make a smooth shift from one item to another:From a discussion of the election we segued into tax reform.
Anatomy. The superior vena cava (SVC, also known as the cava or cva) is a short, but large diameter vein located in the anterior right superior mediastinum.
Specifically, the superior and inferior vena cava carry deoxygenated blood back to the heart. The superior vena cava is bringing deoxygenated blood from the head and upper torso back to the heart's right atrium.