human_reference_atlas Homo sapiens parietal pelvic lymph node common iliac lymph node internal iliac lymph node SCTID:245357003 internal iliac lymph node NCIT:C88142 The internal iliac lymph nodes (or hypogastric) surround the internal iliac artery and its branches (the hypogastric vessels), and receive the lymphatics corresponding to the distribution of the branches of it, i. e. , they receive lymphatics from all the pelvic viscera, from the deeper parts of the perineum, including the membranous and cavernous portions of the urethra, and from the buttock and back of the thigh. It does not receive lymph from the ovary, testis, or superior half of the rectum; the gonads drain to the paraaortic lymph nodes, while the superior half of the rectum drains to the pararectal lymph nodes. UBERON:0015881 uberon UMLS:C0447192 Wikipedia:Internal_iliac_lymph_nodes internal iliac node FMA:16654 internal iliac lymph node AS