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AAAC11 21/5/05 10:43 AM Page 29
(a)
External oblique
aponeurosis
Superficial ring
Ilioinguinal nerve
Femoral artery
and vein in Spermatic cord
femoral sheath Femoral canal
(b) Testicular artery and
Transversus pampiniform plexus of
veins
Position of deep ring Vas deferens
Lymphatics
Internal oblique Transversalis fascia
Internal spermatic
Position of fascia
superficial ring
Femoral artery Cremasteric fascia and
and vein in muscle (striated)
femoral sheath Femoral canal External spermatic
fascia
Fig.11.4 Fig.11.5
The inguinal canal. A schematic cross section through the spermatic cord
(a) The superficial inguinal ring. The external
spermatic fascia has been removed
(b) After removal of the external oblique

Internal thoracic

Anterior cutaneous
branches of Musculophrenic
intercostal nerves
T7
Superior epigastric

T10
T12 Lumbar
Iliohypogastric
(lateral branch) Para-umbilical veins
Iliohypogastric anastomose with
(anterior cutaneous) epigastric veins
Ilioinguinal

Fig.11.6
The nerves and vessels of the abdominal wall

The abdominal wall 29