Review Items - Pelvic Neurovasculature

Obturator foramen, groove, and canal (N486, TG3-04, N352, TG6-03, N358, TG6-21)
Greater and lesser sciatic notch (foramina) (N486, TG3-04, N353, TG6-06, N503, TG3-28)
Ischial spine and tuberosity (N486, TG3-04)
Sacroiliac joint (N248, TG5-03, N365, TG6-06)
Anterior (pelvic) sacral foramina (N157)

Ligaments:

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

Muscles:

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

C. Arcus tendineus levatoris ani (N367, TG6-21, N369, TG6-21)
Pelvic diaphragm (N367, TG6-21, N368, TG6-23, N369, TG6-21, N370, TG6-23)

D. Coccygeus m.

Levator ani m.

     E. Puborectalis m.

     F. Pubococcygeus

     G. Iliococcygeus

Urogenital hiatus

Nerves:

Sacral plexus (N412, TG6-18, N497, TG3-25, N499)
H. Lumbosacral trunk

I., J., K., L. Ventral rami of S1 to S4
Sympathetic

Superior hypogastric plexus (N409)

M. Hypogastric nn. (N409)

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

     Ganglia

     O. Gray rami communicantes

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

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

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

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, TG5-07, N255)

     S. Aberrant obturator aa.

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

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

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

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

          V. Superior gluteal a. (N502, TG3-29 , N402, TG6-17, N403, TG6-17)

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

          W. Umbilical a. (N402, TG6-17, N403, TG6-17)

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

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

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

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

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

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

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

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

Clinical Terms:

Urinary stress incontinence
Iatrogenic injury to ureters
Kegel exercises