Related Clues:

• Marble streak
• Ventricle's outlet
• Vessel from the heart
• It's often removed from shrimp
• Major blood carrier
• Vein counterpart
• Mark in marble
• Vital thin blue line
• Leaf's rib
• User's entry point
• Main highway
• I-5 through Los Angeles, e.g.
• Lode source
• Way to one's heart?
• A blood vessel