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Ultra-structure of tight junction of the intestine and colon. A: Tight junction of intestine in PN group (5000 ×); B: Tight junction of colon junction in PN group (5000 ×); C: Tight junction of intestine in EN group (5000 ×); D: Tight junction of the colon in EN group (5000 ×); E: Tight junction of intestine in probiotics group (5000 ×); F: Tight junction of the colon in probiotics group (5000 ×).
