Related Clues:
- With 33-Down, Red Cross helper
- Ancestry
- Gore
- Vital fluid
- Captain played by Flynn
- It's in circulation
- It's in vein
- Erythrocyte
- Bank deposit, of sorts
- Transfusion fluid
- See 15 Across
- Spock's is blue-green
- Blue ____ ( high society type)
- In us it's all in vain, by the sound of it
- That's not all in vain, by the sound of it