The Ureters

Ureter Proper measures from 25 to 30 cm. in length

runs downward and medialward in front of the Psoas major

abdominal part (

lies behind the peritoneum

crossed obliquely by the internal spermatic vessels

enters the pelvic cavity by crossing either the termination of the common, or the commencement of the external, iliac vessels

Relation

At i the right ureter covered by the descending part of the duodenum,

Then lies to the right of the inferior vena cava,

Crossed by the right colic and ileocolic vessels

Near the superior aperture of the pelvisit passes behind the lower part of the mesentery and the terminal part of the ileum

The left ureter is crossed by the left colic vessels,

near the superior aperture of the pelvis passes behind the sigmoid colon and its mesentery.

pelvic part

along the anterior border of the greater sciatic notch and under cover of the peritoneum.

lies in front of the hypogastric artery medial to the obturator nerve and the umbilical, obturator, inferior vesical, and middle hemorrhoidal arteries

the ureters run obliquely for about 2 cm

ies in front of the hypogastric artery

medial to the obturator nerve and the umbilical, obturator, inferior vesical, and middle hemorrhoidal arteries

female, the ureter forms, the posterior boundary depression named the ovarian fossa

it is accompanied for about 2.5 cm. by the uterine artery, which then crosses in front of the ureter and ascends between the two layers of the broad ligament