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Each day, 1200 to 1500 mL of ileal effluent enter the colon, 200 to 400 mL of which are excreted as stool. The colon mixes its contents to facilitate transmural exchange of water, electrolytes, and short-chain fatty acids and, in…
Acknowledgment This study was supported in part by USPHS NIH Grants RO1 DK68055 (AEB) from the National Institutes of Health. 23.1 Introduction The human colon absorbs water and electrolytes and stores contents until elimination is socially convenient. It also scavenges…