subperiosteally

• a word derived from periosteum.
  periosteum

  noun

  the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.

More Suggestions

• imperially
• numerically
• periosteum
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• peripherally
• subliminally
• subpotency
• subprimal
• subprincipal