Page 15 - herina surgery and possible lawsuits
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Boundaries of inguinal canal
a) A n te rio r w a ll is formed by external oblique aponeurosis in its entire length
and internal oblique fibers in its lateral one-third.
b) P o s te rio r w a ll is formed by fascia transversalis and in its medial one-third
by the conjoint tendon.
c) In fe rio r w a ll o r flo o r is formed by the grooved upper border of the
inguinal ligament and in its medial end by the lacunar ligament.
d) S u p e rio r w a ll o r r o o f is formed by the arching lower fibers of the internal
oblique and transversus abdominis muscle.
Figure 4: Inguinal region from posterior view
3er Inguinal Region
Dissection - Posterior (Internal! View
Deep inguinal ring
Transversalis Fascia (cut away)
•Anterior
superior iliac
spine
ropsoas m uscle
Pubic
symphysis Lacunar (G im bernafs) ligament
P ectineal (C ooper's) ligament O bturator artery
(Curtsey: Netter Anatomy Images)
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