Image Based Question-65185

Question

Which of the following is NOT true concerning the structure marked as “B” in the picture below?

A. It is a mucocutaneous junction joining the embryonic hindgut and the proctodeum.

B. The columnar epithelium of the rectum is replaced at the level of the dentate line.

C. The anal canal below the dentate contains the columns of Morgagni.

D. Distal to the dentate the anus is lined with stratified squamous epithelium.

 

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