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 digital rectal exam, which may be painful, may be needed if a definitive diagnosis of anal fissures cannot be made based on a patient’s history. 1 Anoscopy, which also may be painful, can be used to ...
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