"Breathing high levels of asbestos fibers for a long time may result in scar-like tissue in the lungs and in the pleural membrane (lining) that surrounds the lung," the CDC's Agency for Toxic ...

Causes in Infants After the descent of the testicles, the tunica vaginalis (a pouch of serous membranes) is formed to serve as a covering for the testicles. Serous membranes are thin membranes that ...