Inguinal triangle


Bounded by:

  • Medially: Linear semilunaris (lateral edge of Rectus abdomis)

  • Inferiorly: Inguinal ligament

  • Supero-laterally: Inferior epigastric artery

Spermatic Cord

Comprises of structures running to and from the testis, surrounded by structures derived from the anterior abdominal wall. Traverses entire inguinal canal

Coverings

  • Internal spermatic fascia - from transversalis fascia
  • Cremasteric fascia - from fascia of internal oblique
  • Cremaster muscle - from internal oblique abdomen
  • External spermatic fascia - from external oblique
Contents
  • 1.Autonomic nerve plexus
  • 2.Testicular artery; artery to ductus deferens, cremasteric artery
  • 3.Pampiniform plexus of veins
  • 4.Ductus deferens
  • Lymph vessels
  • Remnants of processus vaginalis
Cremasteric reflex
  • Genital branch of genitofemoral nerve supply cremasteric muscle.

  • Stroking the area of supply of the femoral branch (superomedial thigh) stimulates the muscle, pulling up the testis this is the cremasteric reflex.

  • Easy to demonstrate in children, but gets weaker with age.

 

  

Anterior Abdominal Wall and the Peritoneum