Review:

Rectovesical pouch

Pararectal fossae and paravesical fossae

Perineal membrane

- Pre-prostatic urethra: part of urethra until prostate gland - Prostatic urethra: part crossing through prostate gland - Membranous urethra: portion passing through external urethral spincter in deep

perineal pouch - Spongy urethra: runs along length of penis and through corpus spongiosum - Urethral crest: ridge flanked on either side by prostatic sinuses. Ridge enlarges to

become seminal colliculus. Grooves on either side of seminal colliculus are called prostatic sinuses. Opening on midline of seminal colliculus is called prostatic utricle. An ejaculatory duct opens on either side of the prostatic utricle.

Urethra:

Artery Inferior vesical artery

Middle rectal artery

Internal pudendal artery

Vein Inferior vesical vein

Middle rectal vein

Internal pudendal vein

Nerve Pudendal nerve

Pelvic splanchnic nerves

Inferior hypogastric plexus

Lymph Internal iliac lymph nodes

Deep inguinal lymph nodes

Ductus deferens, ampulla, seminal vesicles

Urinary bladder Surfaces: superior, posterior, inferolateral Other: detrusor muscle, trigone, internal urethral orifice, rectum (ampulla, transverse rectal folds), anal canal, external and internal anal spincter

Urinary bladder: apex, body, fundus, cavity

Anorectal flexure ( about 80 degrees)