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 and other pleural disorders are treated with procedures, medicines, and other methods. The goals of treatment include: Relieving symptoms. Removing the fluid, air, or blood from the pleural space (if a large amount is present) Treating the underlying condition.
Causes of pleurisy include: 1  A viral infection, such as the flu (influenza) 2  A bacterial infection, such as pneumonia. 3  A fungal infection.  Autoimmune disorder, such as rheumatoid 1  arthritis. Certain medications.  Lung cancer near the pleural 1  surface. Rib fracture.  Certain inherited diseases, such as sickle cell disease.