External iliac lymph nodes

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Lymph: External iliac lymph nodes
Image:Illu lymph chain10.jpg
Common Iliac Lymph Nodes 1. Medial common iliac 2. Intermediate common iliac 3. Lateral common iliac 4. Subaortic common iliac 5. Common iliac nodes of promontory External Iliac Lymph Nodes 6. Medial external iliac 7. Intermediate external iliac 8. Lateral external iliac 9. Medial lacunar (femoral) 10. Intermediate lacunar (femoral) 11. Lateral lacunar (femoral) 12. Interiliac external iliac 13. Obturator (external iliac obturatory)
Latin	nodi lymphoidei iliaci externi
Gray's	subject #180 703
Source	inguinal lymph node
Drains to	common iliac lymph nodes
Dorlands/Elsevier	n_09/12576535

The external iliac lymph nodes, from eight to ten in number, lie along the external iliac vessels.

They are arranged in three groups, one on the lateral, another on the medial, and a third on the anterior aspect of the vessels; the third group is, however, sometimes absent.

Their principal afferents are derived from the inguinal lymph nodes, the deep lymphatics of the abdominal wall below the umbilicus and of the adductor region of the thigh, and the lymphatics from the glans penis vel clitoridis, the membranous urethra, the prostate, the fundus of the urinary bladder, the cervix uteri, and upper part of the vagina.

Additional images

Regional lymph tissue	The parietal lymph glands of the pelvis.	Iliopelvic glands (lateral view).	Lymphatics of the prostate.
Deep lymph nodes and vessels of the thorax and abdomen.

See also

• Internal iliac lymph nodes

External links

• Diagram #1 at cancer.gov
• Diagram #2 at cancer.gov

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Lymphatics of torso
Chest	Right lymphatic duct - Thoracic duct (spans diaphragm) Bronchomediastinal trunk (Tracheobronchial, Parasternal) - Intercostal
Abdomen	Cisterna chyli Lumbar trunk - lumbar/paraaortic: Retroaortic - Lateral aortic - iliac: Common (External, Internal, Sacral) Intestinal trunk - preaortic: Celiac (Gastric, Hepatic, Splenic) - Superior mesenteric (Mesenteric, Ileocolic, Mesocolic) - Inferior mesenteric (Pararectal)