1. Surface marking
2. Boundaries
3. Contents
4. Hasselbach's triangle

Surface markings

• Internal/superficial ring: 2 sentimeters superior to senter of ASIS and symphisis [ie above the midinguinal point].
• External/deep ring: superior and medial to pubic tubercle. Alternatively, 1.5cm superior to femoral pulse.

Boundaries

• MALT: 2M 2A, 2L, 2T:
• Superior wall [roof]: 2 Muscles:
  • Internal oblique Muscle
  • Transverse abdominus Muscle
• Anterior wall: 2 Aponeuroses:
  • Aponeurosis of external oblique
  • Aponeurosis of internal oblique
• Lower wall [floor]: 2 Ligaments:
  • Inguinal Ligament
  • Lacunar Ligament
• Posterior wall: 2Ts:
  • Transversalis fascia [laterally]
  • Conjoint Tendon [medially]

Contents

• Ilioinguinal nerve.
• Spermatic cord, which contains:
  3 arteries:
  • Testicular a.
  • Ductus deferens a.
  • Cremasteric a.
  3 nerves:
  • Cremasteric n.
  • Genital branch of the genitofemoral n.
  • Autonomics
  3 other things:
  • Ductus deferens
  • Pampiniform plexus
  • Lymphatics

Hasselbach's triangle

• Medial side: lateral edge of rectus sheath.
• Superior side: inferior epigastric artery.
• Lateral side: inguinal ligament.