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%.
Chest pain is always an alarming symptom since it usually raises the fear of heart disease. And because chest pain may indeed be a sign of angina or of some other heart problem, it is always a good idea to have it checked out. But heart disease is only one of the many types of conditions that can produce chest pain. Common Causes of Chest Wall Pain. One of the more frequent causes of non-cardiac chest pain is chest wall pain or musculoskeletal chest pain. That is, chest pain related to the muscles and bones of the chest wall. Doctors diagnose chest wall pain in at least 25 percent of patients who come to the emergency room for chest pain.