nasal mucosa lines (respiratory epihtelium) - isometric view 3d

nasal mucosa lines respiratory epihtelium olfactory epithelium air-filled spaces respiration cavity vestibule mucosa mucous membrane tract nose septum vomeronasal organ fauces smell goblet cilia cell cranial frontal sinuses maxillary ethmoidal nasociliary nerve sphenoidal cells pharynx choanae nostrils nasolacrimal lacrimal ducts adenoid tissue epithelial serous glands pyramidal glands bowman fibrosis sinusitis viruses bacteria inflammation asthma breathing allergen flu receptor dust snoke pollen