Describe the anatomy of the inguinal canal.
Extends between the deep (internal) and superficial (external) ring
Roof (superior): internal oblique and transversus abdominis muscles
Floor (inferior): inguinal ligament (shelving edge of external oblique) and lacunar ligament (medially)
Posterior wall: transversalis fascia laterally; conjoint tendon medially
Anterior wall: external oblique aponeurosis and internal oblique muscle laterally
Describe the Hesselbach triangle borders.
Medially: rectus abdominis muscle
Laterally: inferior epigastric vessels
Inferiorly: inguinal ligament
Hesselbach Triangle
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