Related Clues:
- The Ghostbusters' license plate, ___ 1
- Pot, in slang
- It means ''internal''
- Prefix for "parasite" or "plasm"
- ''Inner'' starter
- Morph lead-in
- Prefix denoting inside
- Root canal, in dentist-speak
- Outer: Pref.
- Exo-'s opposite
- Outside opening
- It means "within"
- Prefix meaning "inside"
- Prefix meaning 'inner'
- Cardial opening