[ANAT] URETER

Question 1

length of ureter

Answer 1

25-30cm

Question 2

ureter diameter

Answer 2

3mm

Question 3

abdominal ureter descends medially anterior to

Answer 3

psoas major

Question 4

abdominal ureter crosses_____to become pelvic

Answer 4

end of common iliac/beginning of external iliac

Question 5

posterior relations of abdominal ureter

Answer 5

1-psoas major & minor
2-Genital branch of Genitofemoral nerve
3-End of common iliac/beginning external iliac

Question 6

anterior relations of right abdominal ureter (6)

Answer 6

1-3rd pt duodenum
2-Terminal ileum
3- Rt colic BVs
4-Ileocolic BVs
5-Rt gonadal BVs
6-Root of mesentery (SMA + SMV)

Question 7

anterior relations of left abdominal ureter (5)

Answer 7

1-Sigmoid colon
2-Sigmoid mesocolon
3-Lt colic BVs
4-Sigmoid BVs
5-Lt gonadal Bvs

Question 8

pelvic ureter relations (4)

Answer 8

1-obturator internus fascia
2-External iliac BVs
3-Obturator nerve+ BVs
4-Obliterated umbilical a=Super vesical a.

Question 9

♂: ureter is crossed by

Answer 9

vas deferens

Question 10

♀: ureter is crossed by

Answer 10

uterine vessels 2cm away from cervix

Question 11

bony relations of ureter

Answer 11

1-transverse processes of vertebrae (Lumbar)
2-Sacro-iliac joint
3-Ischial spines

Question 12

sites of ureteric calculi lodging

Answer 12

1-pelvi-ureteric junction
2-crossing of common iliac bifurcation=pelvic brim=sacro-iliac joint
3-entry point into bladder

Question 13

surface anatomy

Answer 13

5cm away from midline
on transpyloric plane—> pubic tubercle

Question 14

oblique passage of ureter prevents

Answer 14

backflow of urine

Question 15

ureteric colic pain

Answer 15

1-loin/lumbar (T10)
2-groin/inguinal (T12, L1)
3-scrotal/ labium majus (L1)

Question 16

which nerve causes colic pain radiating to testis or labia majora & front of thigh

Answer 16

Genitofemoral n

Question 17

course of pelvic ureter (8)

Answer 17

1-descends from common iliac bifurcation
2-descends on lateral walls of pelvic wall
3-crosses External iliac Bvs, obturator n+Bvs, superior vesical artery, obturator internus fascia
4-crossed by vas deferens/uterine Bvs
5-curves medially at ischial spine
6-enters bladder at posterosuperior angle
7-runs obliquely
8-opens into superolateral angle of trigone

Question 18

abdominal ureter blood supply (4)

Answer 18

1-Renal artery
2-common iliac
3-abdominal aorta
4-gonadal artery

Question 19

pelvic ureter blood supply (2)

Answer 19

1-♂= inferior vesical artery
2-♀= uterine & vaginal arteries

Question 20

sensory & sympathetic nerve supply

Answer 20

T10–>L1