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
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
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
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