Related Clues:

• Outside prefix
• Prefix with "carp" or "biology"
• Prefix with skeleton or plasm
• It means ''outer''
• Skeleton preceder
• Prefix for biology
• Prefix with -morphic
• Endo's opposite
• Outer: Pref
• Prefix with -thermic
• Inner: Pref
• Skeleton opening
• Within: Pref
• Thermal opening
• Skeletal prefix