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Lumen
A lumen is the cavity or channel within a hollow organ. A lumen may have a smooth periphery or may be undulating or infolded, depending on the configuration of the wall of the organ to which it belongs. 4x, 10x
![Lumen of trachea <p>A lumen is the cavity or channel within a hollow organ. A lumen may have a smooth periphery or may be undulating or infolded, depending on the configuration of the wall of the organ to which it belongs. 4x, 10x</p>](https://digitalhistology.org/wp-content/uploads/2018/03/Or.Concepts.Lum-1-1-ping.png)
Lumen of trachea
A lumen is the cavity or channel within a hollow organ. A lumen may have a smooth periphery or may be undulating or infolded, depending on the configuration of the wall of the organ to which it belongs. 4x, 10x
![Lumen of esophagus <p>A lumen is the cavity or channel within a hollow organ. A lumen may have a smooth periphery or may be undulating or infolded, depending on the configuration of the wall of the organ to which it belongs. 4x, 10x</p>](https://digitalhistology.org/wp-content/uploads/2018/03/Or.Concepts.Lum-1-2-ping.png)
Lumen of esophagus
A lumen is the cavity or channel within a hollow organ. A lumen may have a smooth periphery or may be undulating or infolded, depending on the configuration of the wall of the organ to which it belongs. 4x, 10x
![Lumen of small intestine <p>A lumen is the cavity or channel within a hollow organ. A lumen may have a smooth periphery or may be undulating or infolded, depending on the configuration of the wall of the organ to which it belongs. 4x, 10x</p>](https://digitalhistology.org/wp-content/uploads/2018/03/Or.Concepts.Lum-1-3-ping.png)
Lumen of small intestine
A lumen is the cavity or channel within a hollow organ. A lumen may have a smooth periphery or may be undulating or infolded, depending on the configuration of the wall of the organ to which it belongs. 4x, 10x