Fallopian tube                                       Chart

                     
Cell types: Adipocyte (fat cell)
 

Differential diagnosis:
 Small luminal organ with distinct outer coat include appendix which has no villi or mucosal fold and has numerous lymphatic follicles that appear light staining. Such small luminal organs as blood vessels have squamous epithelial covering (i.e. endothelium).

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Diagnostic Features:
a. Tissue is hollow and presents with a lumen which fills less than 1/10th of low power field.
b. The epithelium is of pseudostratified /simple columnar variety.
c. Mucosal folds are numerous and finger like and tall.
There is a distinct outer coat of serosa and the lumen is very small.

Draw your own section here and make your diagnosis by data base selection below

 

 

 

 

 

 

 

 

 

 

 

 

Database selection: Practical Tissue Gross

Level 1: Select hollow
Level 2: Select small as opposed to large since lumen fills less than 1/10th low power field of tissue of rat to man. This will select from database both cartilage and non cartilage containing tubes.
Level 3: Select distinct outer coat and then columnar epithelium which then includes appendix. Oviduct has mucosal folds which appendix does not have.

Can you identify the cell types?

 

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