Hot topics anatomy

Question 1

Trajectory of inferior epigastric artery across abdominal wall?

Answer 1

~7cm lateral to midline SP. At mid umbilicus level ~5cm for midline. Travel superior/medial from here.

Question 2

origin superior rectal artery

Answer 2

from inferior mesenteric. Travels over left common iliac vessels into pelvis. Supplies superior rectum

Question 3

Avascular spaces of the pelvis?

Answer 3

Prevesical space (space of Retzius)
Paravesical spaces
Pararectal spaces
Rectovaginal spaces (POD)

Question 4

Lymphatic drainage of cervix?

Answer 4

parametrical, ilii-obturator, pelvic LN

Question 5

Lymphatic drainage of uterus

Answer 5

Pelvic –> para-aortic LN

Question 6

Lymphatic drainage of ovaries?

Answer 6

para-aortic LN

Question 7

Lymphatic drainage of vagina?

Answer 7

upper 2/3–> similar cervix

lower 1/3 inguinal

Question 8

Course of ureter in pelvis?

Answer 8

1. enters pelvis at level of SI joint
2. crosses bifurcation of common iliac (parallel + medial to internal iliac)
3. crosses obturator artery, vein and nerve
4. inferior to IP ligament
5. curves anterior-medially above elevator ani
6. passes along lateral pelvic sidewalk above uterosacral ligament
7. passes inferiorly to uterine vessels near cardinal ligament (1-2cm lateral to lateral vaginal fornices)