Related Clues:

• Antonym of exo-
• Prefix with -scope
• Prefix meaning ''inner''
• Prefix denoting inner
• Opposite of "ecto"
• Inner
• Internal: Prefix
• Prefix with -morphism
• Prefix meaning 'inside'
• Prefix denoting outer
• Prefix with skeleton or plasm
• It means ''outer''
• Prefix with -morphic
• Inner: Pref
• Within: Pref