Review Items - Pelvic Neurovasculature

Osteology:

Obturator foramen, groove, and canal (N486, N352, N358, TG3-05, TG3-04, TG6-22)
Greater and lesser sciatic notch (foramina) (N486, N353, N503, TG3-04, TG3-28, TG6-06)
Ischial spine and tuberosity (N486, TG3-04)
Sacroiliac joint (N248, N365, TG5-03, TG6-06)
Anterior (pelvic) sacral foramina (N157, TG6-04)

Ligaments:

Sacrotuberal & sacrospinal (N352, N503, TG3-28, TG6-06)
Obturator membrane (N351, TG6-03)

Muscles:

Piriformis m. (N367, N369, 503, TG6-21A, TG6-21B)
Obturator internus m. (N367, N369, N503, TG3-28, TG6-21A, TG6-21B)

Arcus tendineus levatoris ani (N367, N369, TG6-21A, TG6-21B)

Pelvic diaphragm (N367, N368, N369, N370, TG6-21A, TG6-21B, TG6-23A, TG6-23B)

Coccygeus m.

Levator ani m.

     Puborectalis m.

     Pubococcygeus

     Iliococcygeus

Urogenital hiatus

Nerves:

Sacral plexus (N412, N497, N499, TG3-25, TG6-18)

Lumbosacral trunk

Ventral rami of S1 to S4
Sympathetic

Superior hypogastric plexus (N409, TG5-39)

Hypogastric nn. (N409, TG5-39)

Sacral sympathetic trunk (N410, N412, TG6-18, TG6-19)

     Ganglia

     Gray rami communicantes

     Sacral splanchnic nn.
Parasympathetic (N410, N412, TG6-18, TG6-19)

Pelvic splanchnic nn.
Autonomic (sympathetic and parasympathetic) (N410, N412, TG6-18, TG6-19)

Inferior hypogastric (pelvic) plexus
Innervation of pelvic viscera (N410, N412, N415, N416, N417, TG6-18, TG6-19)

Uterus

Vagina

Urinary bladder

Rectum & anal canal

Vessels:

Common iliac a. & v. (N264, TG5-34)

External iliac a. & v. (N264, TG5-34)

     Inferior epigastric (N253, N255, TG5-07)

     Aberrant obturator aa.

Internal iliac a. & v. (N264, N402, N403, TG5-34, TG6-17A, TG6-17B)

     Posterior division branches (N402,N403, TG6-17A, TG6-17B)

          Iliolumbar a. (N264, N402, N403, TG5-34, TG6-17A, TG6-17B)

          Lateral sacral a. (N264, TG5-34, N402, N403, TG6-17A, TG6-17B)

          Superior gluteal a. (N502, N402, N403, TG3-26, TG3-27, TG6-17A, TG6-17B)

     Anterior division branches (N402, N403, TG6-17A, TG6-17B)

          Umbilical a. (N402, N403, TG6-17A, TG6-17B)

               Superior vesical aa. (N402, N403, TG6-17A, TG6-17B)

               Medial umbilical ligament (obliterated umbilical a.) (N253, N362, TG5-07, TG6-07, TG6-13)

          Obturator a. (N402, N487, TG3-54, TG6-17)

          Uterine a. (N402, N404, TG6-17)

          Vaginal a. (N402, N404, TG6-17)

          Middle rectal a. (N402, N403, N398, TG6-17A, TG6-17B)

          Inferior gluteal a. (484, N402, N403, TG6-17A, TG6-17B)

          Internal pudendal a. (N402, N403, N404, N405, TG6-17A, TG6-17B, TG6-29)

Clinical Terms:

Urinary stress incontinence
Iatrogenic injury to ureters
Kegel exercises