Parathyroidectomy is the removal of one or more parathyroid glands.
the removal of one or more of the parathyroid glands
I'm not sure, but maybe you're filling it up with apps, ringtones, photos, etc; maybe there's something wrong with it; or something. The same thing happened to me on my digital camera memory cards if...
Because with each bounce it loses energy.
The Nile River, which runs the length of Egypt, flows south to north; hence, lower Egypt, in the north, is where the "lower" Nile flows.