Medical Videos
03-18-2009, 10:01 AM
Lung Defense
1. Particles removed from inspired air by the nose.
2. The larynx acts as sphincter during cough.
3. Protective agents in the lung lining fluids.
i. Surfactant à bacterial opsonisation.
ii. Immunoglobulin à IgA, IgM, IgG.
iii. Complement.
iv. bactericidal proteins and proteinase inhibitors that protect host tissue during the inflammatory response.
4. Alveolar macrophaes.
Source: Internal Medicine Book of Dr.Osama Mahmoud (Ain Shams University)
1. Particles removed from inspired air by the nose.
2. The larynx acts as sphincter during cough.
3. Protective agents in the lung lining fluids.
i. Surfactant à bacterial opsonisation.
ii. Immunoglobulin à IgA, IgM, IgG.
iii. Complement.
iv. bactericidal proteins and proteinase inhibitors that protect host tissue during the inflammatory response.
4. Alveolar macrophaes.
Source: Internal Medicine Book of Dr.Osama Mahmoud (Ain Shams University)