Related Clues:
- Opposite of ''exo''
- Prefix denoting inner
- Prefix for "plasm" or "morph"
- Opposite of "ecto"
- ___-1 ('Ghostbusters' vehicle)
- ___-1 ("Ghostbusters" vehicle)
- Inner
- Interior: Prefix
- Prefix for plasm
- Internal: Prefix
- Prefix denoting within
- Prefix with -morphism
- Prefix meaning 'inside'
- Prefix denoting outer
- Prefix with skeleton or plasm