Animal experimental studies using small intestine endoscope

Figure 2 Light microscopic images of a tissue section from an area of the small intestine to which endoscopic negative-pressure suction had been applied in vivo. A: No damage to the smooth muscle is evident; B: No histologic damage is evident; C: No submucosal or glandular damage is present; D: No submucosal damage is present. Hematoxylin-eosin staining, × 400 magnification.