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.
coronary sinus the dilated terminal portion of the great cardiac vein, receiving blood from other veins draining the heart muscle and emptying into the right atrium. dermal sinus a congenital sinus tract extending from the surface of the body, between the bodies of two adjacent lumbar vertebrae, to the spinal canal.oronary sinus. n. A short trunk receiving most of the veins of the heart, running in the posterior part of the coronary sulcus and emptying into the right atrium between the inferior vena cava and the atrioventricular orifice.