The anterolateral abdominal wall consists of an arrangement of muscles,fascial layers,and muscular aponeuroses lined interiorly by peritoneum and exteriorly by skin.The key landmark of the _____________ designates the roof of the inguinal canal,and the key landmark of the __________ designates the floor of the inguinal canal.

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The anterior wall consists of the aponeurosis of the external oblique,reinforced by the internal oblique muscle laterally.The posterior wall is formed by the transversalis fascia.The superior wall,called the roof,is formed by the transversalis fascia,internal oblique and transversus abdominis.The inferior wall,or floor,is composed of a 'rolled up' portion of the external oblique aponeurosis called the inguinal ligament,or Poupart's ligament.

The Anterolateral Abdominal Wall Consists of an Arrangement of Muscles,fascial