Digital Histology
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Trachea and primary bronchus

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x

Epithelium <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Epithelium

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Basement membrane <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Basement membrane

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Lamina propria <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Lamina propria

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Blood vessels <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Blood vessels

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Elastic lamina <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Elastic lamina

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Smooth muscle <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Smooth muscle

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Submucosa <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Submucosa

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
- Mixed glands <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

- Mixed glands

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Hyaline cartilage <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Hyaline cartilage

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Perichondrium <p>Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x</p>

Perichondrium

Another image of the trachea or primary bronchus demonstrates the components forming the wall of these passageways. The large number of blood vessels, particularly in the lamina propria, serve to warm the inspired air. 100x
Main SlideEpitheliumBasement membraneLamina propriaBlood vesselsElastic laminaSmooth muscleSubmucosa - Mixed glandsHyaline cartilagePerichondrium