regenerate

Oligodendrocytes, the cells that produce myelin to insulate nerve fibers, expressed fewer genes required for maintaining and regenerating the myelin sheath.

At more advanced stages, they die and cannot regenerate.

Dr. Sherif Elsharkawy, senior author and consultant in prosthodontics at King's College London, explained: "Unlike bones and hair, enamel does not regenerate, once it is lost, it's gone forever."

Scientists have developed a new material that forms a gel capable of repairing and regenerating tooth enamel, paving the way for more effective and longer-lasting dental care.

Former captain Steve Waugh criticised the selection, saying Bailey did not have the "appetite" to make tough calls to regenerate the side.