changing relationship between operands enterohepatic circulation Bile salts (>90%) are absorbed along the small intestine and transported back by the portal blood to the liver. They are taken up into hepatocytes and re-secreted into the canaliculi. This round trip of bile salts between the intestine and the liver is termed enterohepatic circulation. Enterohepatic circulation is a subtype of changing between operands: Bile salts secreted by the liver pass into the intestine, are absorbed in large part by the ileum, and return to the liver by way of the portal vein. MeSH:D004764 PMID:4627839