Related Clues:
- It comes straight from the heart
- Thin blue line, say
- Ore deposit
- It goes to the heart
- Shrimp discard
- Vital vessel
- Blood vessel that begins at the heart
- Feeder of the body's organs
- Way to one's heart
- Trunk artery
- One from the heart
- Concern for a cardiologist
- Main course?
- Arterial trunk
- Mother lode, e.g.