- A mucosa (respiratory), lines the conducting portion of the respiratory system.
- Consiste of epithelium and underlying layer of areolar tissue.
THE LAMINA PROPRIA in the underlying layer of areolar tissue that supports the respiratory epithelium.
The upper respiratory system, TRACHEA, BRONCHI and LAMINA PROPIA contains mucous glands
that discharge their secretions into the epithelial surface.
Nasal cavity and the superior portion of the pharynx is lined by PSEUDOSTRATIFIED CILIATED COLUMNAR EPITHELIUM.
The inferior portion of the pharynx is lined by NON-KERATONIZED STRATIFIED SQUAMOUS EPITHELIUM
Oral Cavity is lined by STRATIFIED SQUAMOUS EPITHELIUM