Hemorrhoids Anatomy Diagram - Internal vs External Hemorrhoids Explained #3438775 (License: Personal Use)

This anatomical diagram depicts the lower gastrointestinal tract, focusing on the rectum and anal canal. It clearly shows dilated venous plexuses forming internal hemorrhoids (located above the dentate line, covered by mucosa) and external hemorrhoids (below the dentate line, covered by anoderm/skin), with visible thrombosed nodes. Surrounding structures include the sphincter muscles, submucosal tissue, and adjacent fat pads.

Used in gastroenterology or proctology educational content, patient brochures, or medical websites to explain hemorrhoid pathology, diagnosis, and treatment options; matches user intent seeking visual understanding of hemorrhoid types and location.