Snap Review: Definition of. a Pressure Ulcer--. â¢ A pressure ulcer is localized injury to the skin and/or underlying tissue. usually over a bony prominence, as a result of pressure, or pressure in. combination with shear and/or friction.
Apple Indeed Replacing Recalled iPod Nano Units with Current-Generation Models. Just hours after we reported that Apple appeared to have begun shipping out current-generation iPod nanos as replacements for recalled first-generation units, users are beginning to report in that they are indeed receiving the current models.
You can distinguish the iPod nano (5th generation) from previous iPod nano models by: 1  Its taller screen when compared to iPod nano (4th generation) 2  Its polished anodized aluminum finish. 3  The inclusion of a camera and microphone on the back of the device.