The rectum begins at the rectosigmoid junction, which is demarcated by the confluence of the teniae coli. The anatomical structures that are anterior to the rectum differ in females (Figure 1A) and ...
A rectal biopsy is a procedure used to extract a tissue sample from the rectum for laboratory analysis. The rectum is the lowest 6 inches of the large intestine, located just above the anal canal. The ...
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