A key process in surfactant secretion is exocytosis of LB, and there have been several ultrastructural observations of lamellar material passing from AT II cells into alveoli (reviewed in ref.
In one general practice sample, costochondritis, also known as costosternal syndrome and anterior chest wall syndrome, was the most common specific cause of anterior musculoskeletal chest pain, with a prevalence of 13%.
Costochondritis,also known as chest wall pain, is the inflammation or swelling of the muscles of the rib cage which connects ribs to the breastbone.It can cause pain below the right rib cage.this pain similar to the pain of heart attack.so costochondritis can be mistaken as cardiovascular disease.The common symptoms are pain while coughing,fatigue ,fever,fatigue, fever and difficulty in breathing.