A part of a line consisting of two points and all the points between them. Is a point at one end of a segment or the starting point of a ray, a dot on a line. Is a point of a line that starts at an endpoint and extends forever. Are two rays that have a common endpoint and form a line.
Pleurisy can develop from many things, including bacterial or viral infections of the lungs (such as pneumonia), TB, lupus, chest injury or trauma or a blood clot in the lung, often a cause cannot be found. The natural remedies suggested are nutritionally balanced solutions that tend to raise overall health.
Viral infection is probably the most common cause of pleurisy. Other causes include the following: Lung infections, such as pneumonia and tuberculosis. Diseases such as systemic lupus erythematosus (lupus), rheumatoid arthritis, cancer, liver diseases and pulmonary embolism.