Ahh. Let's continue. On the roof of the nasal cavity is the olfactory epithelium, which contains nearly 40 million special receptors that are sensitive to odor molecules traveling through the air.

Engineered Lactobacillus plantarum remained in the nasal passage ... plantarum's natural affinity for the olfactory epithelium. L. plantarum was chosen as a delivery vector as it naturally ...

Nasal cavity commensal bacteria are the densest ... which is a thin layer of connective tissue just below the epithelium. Importantly, FITC-labelled Lp was only detected in intestine and kidneys ...

The air that enters the nasal cavity flows down the trachea. The trachea has a number of adaptations: cartilage rings in the walls of the trachea help to keep it open ciliated epithelium and ...