Vasodilation resulting from local spinal reflex is not confined to the area being heat stimulated, but also in other areas away ... water injection and drainage can be done conveniently and easy to clean. The ceramic materials of the present invention are ... Considering the thermal effect of far infrared rays and vasodilation resulting from local spinal reflex, vasodilation not only ... and the sensory signal passes through afferent sensory fibers to the spinal cord. However, part of the signal is diverted via ...