The external iliac lymph nodes are lymph nodes, from eight to ten in number, that lie along the external iliac vessels.Regional lymph tissueThe parietal lymph glands of the pelvis.Iliopelvic glands (lateral view).Lymphatics of the prostate.Deep lymph nodes and vessels of the thorax and abdomen. The external iliac lymph nodes are lymph nodes, from eight to ten in number, that lie along the external iliac vessels.