MEDICAL ENCYCLOPEDIA. 1  Back pain - returning to work. 2  Back pain and sports. 3  Compression fractures of the back. 4  Lifting and bending the right way. 5  Lumbosacral spine x-ray. 6  Returning to sports after a back injury. 7  Spinal fusion. 8  Spinal fusion - slideshow. 9  Vertebroplasty - slideshow.
The mucociliary escalator is one of the major defense mechanisms, which protect the lung, and if the mucociliary escalator fails, it increases the risk that the normal and potentially pathogenic, inhabitants of the nose, throat and the back of the mouth, will descend into the lung, resulting in a potentially life-threatening pneumonia ( Anatomy and Physiology, 2013, p. 139).
The main purpose of a thermostat housing is to contain the engine thermostat and provide a coolant outlet to the radiator.In some cases, each radiator hose will be connected to a similar looking housing, with one serving as a coolant inlet and the other as an outlet. fiber gasket will typically be used to connect the thermostat housing to the block or intake manifold, though plastic and rubber gaskets also exist.