Respiratory System

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Nasal Cavity

The nasal cavity is the first compartment of conducting portion of the respiratory system. It presents thick hairs and cutaneous glands that work as the first barrier, making difficult the entrance of dust particles in the airways.

Olfactory region of the nasal cavity: mucosa is made up of the olfactory epithelium supported on basal lamina. There is a fibrous lamina propria with Bowman's glands, whose secretion keeps the nasal cavity wet.

OE: Olfactory Epithelium

HC: Hyaline Cartilage

BG: Bowman's glands