from the comparison of the findings in the duck and fowl , the main differences in the duck were found to be the following : the cranial portal vein was rudimentary , the distance between the two caudal portal veins as well as that between the two renal veins was short , the posterior part of the caudal renal portal vein and the renal vein were located superficially and ventrally to the caudal lobe of the kidney , and the distance between the caudal renal portal vein and the homolateral vein was also short .
C0736382
lobe
C0022646
renal