when a person goes under a surgery for their head when they crack the bone to operate how do they put it back? Or does it grow back?
In: Biology
Bone grows all the time. Slowly, but it does grow. Keeping as much of the bone in place afterwards as possible does help speed that recovery up due to less bone needing to be regrown.
This is how we can tell injuries we’re fatal or not in fossils. If the edges of the damage are smoothed out, the bone started to regrow, meaning they survived the injury, and it started to heal.
Metal plates are used in some cases
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