PSEUDOSTRATIFIED COLUMNAR
EPITHELIUM

 

olfactory2.jpg (51035 bytes)

OLFACTORY EPITHELIUM

Pseudostratified columnar epithelium is like simple columnar epithelium, only it has different nuclear layers making it look stratified (hence the name).  Some cells have a centrally located nucleus and others have a more basal nucleus. This photo on the left is from the olfactory epithelium slide. The photo below is from trachea.

 

 

 

 

 

 

 

 

 

TRACHEA

trachea1.jpg (20788 bytes)

 

 

 

 

 

 

 

 

 

 

Another example of pseudostratified epithelium from the epididymis, is shown below.  It shows a thin section with clearly displayed nuclei in different layers.  All cells sit on the basement membrane however.  The apical surface is covered with cilia.  What function do they perform?

00004506.jpg (108825 bytes)

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Last updated: 02/21/11

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