Editing Pudendal nerve (section)

=== Origin ===
[[File:Gray320.png|thumbnail|Image showing the [[greater sciatic foramen]] (large [[foramen]]), and the [[lesser sciatic foramen]], separated by the [[sacrospinous ligament]]. The pudendal nerve exits the pelvis through the greater sciatic foramen, passes over the ligament, and then reenters the pelvis through the lesser sciatic foramen.]]

The pudendal nerve is paired, meaning there are two nerves, one on the left and one on the right side of the body. Each is formed as three roots immediately converge above the upper border of the [[sacrotuberous ligament]] and the [[coccygeus muscle]].<ref name=Grays /> The three roots become two cords when the middle and lower root join to form the lower cord, and these in turn unite to form the pudendal nerve proper just proximal to the [[sacrospinous ligament]].<ref name=Shafik1995 /> The three roots are derived from the [[ventral rami]] of the 2nd, 3rd, and 4th [[sacral spinal nerves]], with the primary contribution coming from the 4th.<ref name=Grays>{{cite book|last=Standring S (editor in chief)|title=Gray's Anatomy: The Anatomical Basis of Clinical Practice|year=2004|publisher=Elsevier|isbn=978-0-443-06676-4|edition=39th|url-access=registration|url=https://archive.org/details/graysanatomyanat0000unse}}</ref><ref name=Moore215>{{cite book|last=Moore|first=Keith L. Moore, Anne M.R. Agur; in collaboration with and with content provided by Arthur F. Dalley II; with the expertise of medical illustrator Valerie Oxorn and the developmental assistance of Marion E.|title=Essential clinical anatomy|year=2007|publisher=Lippincott Williams & Wilkins|location=Baltimore, MD|isbn=978-0-7817-6274-8|edition=3rd}}</ref>{{rp|215}}<ref name=Russell2006>{{cite book|last=Russell RM|title=Examination of peripheral nerve injuries an anatomical approach|year=2006|publisher=Thieme|location=Stuttgart|isbn=978-3-13-143071-7|url=https://books.google.com/books?id=_NxeENi2lVAC&q=%22pudendal+nerve%22&pg=PA157}}</ref>{{rp|157}}