This is abnormally excessive sweating, occurring when it is not needed for physiological reasons, such as with the body warming-up with exercise. It is a not uncommon A symptom is anything of which a patient complains with respect to his or her own body. It may also be obvious to an observer, for example a rash, but it may be entirely subjective, such as a pain somewhere or an emotional feeling. of A cavity, within the spinal cord, which is filled with cerebrospinal fluid. Syringomyelia cavities come in various “shapes and sizes”, from short, spindle-shaped cavities through to long, tense cavities extending throughout the greater part of the spinal cord. Read more or The main nerve trunk running down the spinal canal and connecting the individual’s mind and consciousness to the rest of his or her body. It is about the size of a person’s little finger, in diameter. It cannot repair itself if damaged. injury.