Total disability in the legal sense does not require that the insured be incapable of all work activity, only that the medical condition is such that ordinary and reasonable prudence would dictate that that person is not fit enough to carry out the main duties of a job of occupation.
Explanation:Sinus tract, an abnormal channel leading from within bones or other structures to the skin surface; sometimes this type of passageway is termed a fistula. Sinus tracts may form after an infection or as a means of decompression of a synovial joint in rheumatoid arthritis or classic fistulous rheumatism.
Sinus Anatomy. INTRODUCTION. The paranasal sinuses (âthe sinusesâ) are air-filled cavities located within the bones of the face and around the nasal cavity and eyes. Each sinus is named for the bone in which it is located: Physiology.The pink membranes lining the sinuses make mucus that is cleared out of the sinus cavities and drains into the nasal passage. The right and left nasal passages are separated in the middle by a vertical plate of cartilage and bone called the nasal septum (figures 1 and 2).ach sinus is named for the bone in which it is located: Physiology. The pink membranes lining the sinuses make mucus that is cleared out of the sinus cavities and drains into the nasal passage.