For the dissection of the perineum, you should find:
Arteries
perineal
inferior rectals
internal pudendal a. (in pudendal canal)
Nerves
posterior scrotal
inferior rectals
pudendal n. (in pudendal canal)
Muscles
external anal sphincter
obturator internus m.
levator ani m.
bulbospongiosus
ischiocavernosus
sphincter urethra
Other
ischial tuberosities
sacrotuberous ligaments
pubic symphysis
sacrum/coccyx
anus
John A. McNulty, Ph.D.
Last Updated: Apr 20, 1998
Created: Sep 11, 1996