lamina propria of trachea

lamina propria mucosa of trachea

A lamina propria that is part of a respiratory airway.

Type Organ
Système corporel Respiratory
Structure parente respiratory system lamina propria
Nom latin lamina propria mucosa of trachea
FMA ID 265157

Sous-structures

lamina propria of bronchus Organ

Questions fréquentes

What distinguishes the lamina propria of the trachea from lamina propria elsewhere?
The tracheal lamina propria lies beneath the pseudostratified ciliated columnar epithelium (respiratory epithelium) and contains elastic fibers, glands, and immune cells adapted for airway defense. It is part of the respiratory mucosa and directly overlies the tracheal cartilage rings and trachealis muscle.
What glands are found in the tracheal lamina propria?
The tracheal lamina propria and submucosa contain mucous and serous glands (tracheal glands) that produce the mucus layer essential for mucociliary clearance. Cilia on the overlying epithelium beat in coordinated waves to propel mucus — along with trapped particles and pathogens — upward toward the pharynx.
How does the lamina propria of the trachea contribute to airway defense?
The tracheal lamina propria houses dendritic cells, mast cells, lymphocytes, and IgA-secreting plasma cells that form the first line of immune defense against inhaled pathogens. It also contains sensory nerve endings that trigger cough reflexes in response to irritants.

Structures associées

muscle of larynx laryngeal muscle nasal-associated lymphoid tissue NALT nasal bone nasal bones nasal bridge nasal cartilage cartilage of nose nasal cavity respiratory epithelium nasal diverticulum false nostril nasal hair hair of nose

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.