Hemorrhoids: Anatomy, Types, and Visual Guide #133305 (License: Personal Use)

This black-and-white anatomical illustration depicts the rectal and anal region, clearly labeling external hemorrhoids (located outside the anal sphincter) and internal hemorrhoids (within the anal canal, above the dentate line). The drawing emphasizes structural relationships, aiding clinical understanding of hemorrhoid classification and symptom differentiation.

Used in medical education, patient brochures, gastroenterology websites, and health portals to explain hemorrhoid types; matches user intent seeking visual clarification of symptoms or diagnosis.