at the weaning period the tubulo-vacuolar system was absent in the duodenal and jejunal epithelial cells , and at that point absorbed peroxidase was observed in the same sites as in the adult rats : the microvillous membrane , the lateral cell and basal membranes , the golgi apparatus , and the vesicles and vacuoles of the cytoplasm .
C0042219
vacuoles
C0010834
cytoplasm