Inguinal canal borders
- Anterior wall: aponeurosis of external oblique + internal oblique
- Posterior wall: transversalis fascia, conjoint tendon, deep inguinal ring
- Roof: transversalis fascia, internal oblique, transversus abdominis
- Floor: inguinal + lacunar ligaments
the entrance
i.e. the deep inguinal ring
landmark: midway between pubic tubercle and ASIS
the exit
1cm above and medial to pubic tubercle