The sacral lymph nodes are placed in the concavity of the

sacrum The sacrum (: sacra or sacrums), in human anatomy, is a triangular bone at the base of the spine that forms by the fusing of the sacral vertebrae (S1S5) between ages 18 and 30. The sacrum situates at the upper, back part of the pelvic cavity, ...

, in relation to the middle and lateral sacral arteries; they receive lymphatics from the rectum and posterior wall of the

pelvis The pelvis (: pelves or pelvises) is the lower part of an Anatomy, anatomical Trunk (anatomy), trunk, between the human abdomen, abdomen and the thighs (sometimes also called pelvic region), together with its embedded skeleton (sometimes also c ...

References

External links

* http://anatomy.uams.edu/AnatomyHTML/lymph_pelvis&perineum.html Lymphatics of the torso {{Portal bar, Anatomy