Definitions

1. adjective

relating to the periosteum, the fibrous membrane enveloping the bone

“The periosteal cells were found to be active in bone regeneration.”

2. noun

a layer or membrane of connective tissue covering a bone

“The periosteal layer helps to protect the bone from infection.”

3. adverb

in the manner of the periosteum

“The surgery was performed periosteally to minimize damage to surrounding tissue.”