| Fig. 45-001 | |
|---|---|
| A very low magnification of the rectum-anus-skin junction demonstrating the rectum-anus transition. | |
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1. Crypts of Lieberkuhn 2. Internal anal sphincter of smooth muscle 3. Hemorrhoidal veins 4. Thin unkeratinized squamous epithelium 5. Lamina propria 6. Transition point |