internal fixation includes the use of pins, screws, staples, rods, and plates that are inserted into the bone to maintain alignment. when the fractured bone is in good alignment so that no manipulation is necessary, internal fixation may be used to stabilize the bone without any fracture reduction being performed.
What you see is only what you see. May 22, 2015. Color perception is an ancient and active philosophical problem. Itâs an instance of the wider category of sensory perception, but since the color spectrum fits on a single line (unlike, say, touch and taste), it has always been of particular interest.
Human color perception is dependent upon the interaction of all receptor cells with light, and this combination results in nearly trichromic stimulation. There are shifts in color sensitivity with variations in light levels, so that blue colors look relatively brighter in dim light and red colors look brighter in bright light.