"Pulmonary Plains," by Jerome Carpenter

"Pulmonary Plains," by Jerome Carpenter 09/14/2017 01:09 PM EDT "Pulmonary Plains," by Jerome Carpenter. A breath of air sweeps over these human epithelial cells, which line the human airway and keep our lungs clean and germ-free. The cells secrete mucins (the boulder-like formations in this image) that trap germs and contaminants. The grass-like cilia push ... This is an NSF Multimedia Gallery item.   Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111