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%.
Nonetheless, symptoms of chest wall pain may occur along any of the seven costochondral junctions. Moreover, these symptoms may also radiate out from the anterior chest wall to the neck or arm. It is not uncommon for patients to also report tenderness within the area. What Is The Cause Of Chest Wall Pain?