Related Clues:

• Its walls withstand a lot of pressure
• Line from the heart
• Cardiological concern
• Blood carrier
• Vena cava neighbor
• Blood distributor
• Blood path
• Big trunk
• Left ventricle attachment
• Major artery
• Carrier from the left ventricle
• Main artery
• Cardiologist's concern
• Heart's mainline
• Heart's bloodline