Related Clues:

• Morph lead-in
• Outer-
• Outer: Pref.
• Prefix meaning ''outside''
• Outer opening?
• Outside opening
• ''Skeletal'' prefix
• Plasm lead-in
• Prefix with ''carp'' or ''biology''
• Prefix for 'outer'
• Plasm preceder
• Prefix with -skeleton
• Skeletal opening?
• Skeleton start
• Opening for outside?