Some investigators suggest acromioplasty as only a treatment for calcific tendinopathy, or as an important procedure for deposit removal. The changes are permanent and an acromioplasty is needed more often than not for treatment. Heterotopic ossification after acromioplasty and distal clavicle resection.
A Fragment is a piece of an application's user interface or behavior that can be placed in an Activity. Interaction with fragments is done through FragmentManager, which can be obtained via Activity.getFragmentManager() and Fragment.getFragmentManager().
A fossil is the preserved remains or trace of a plant or animal from the past. That's the simple answer to what is a fossil? Plants can be preserved with a carbon film on a piece of shale, an animal bone can be naturally replaced by minerals and preserved, or a footprint in the sand can harden into a fossil.