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%.
Broken ribs, shingles, trauma and breast pain are some of the possible causes of chest wall pain. Heart and Blood Vessels The heart lies in the center of the chest and extends more to the left.