Intestinal Absorption by Perfusion in Situ

Protein Synthesis in Intestinal Mucosa: the Effect of Route of Administration of Precursor Amino Acids

“…8 The lack of diurnal variation noted may be explained by the fact that many amino acids available to the epithelial cells probably are derived from the lumen rather than the blood stream (Fig. 2) (27) and other disaccharidases (28) turn over at a rapid rate during cell migration along the villus, and this turnover could be due to loss of membrane attached proteins from the cells.…”