The lateral umbilical fold serves as the demarcation for whether an inguinal hernia is direct or indirect. The lateral umbilical fold on each side of the inner surface of the anterior abdominal wall is created by which of the following underlying structures? a. Falx inguinalis b. Inferior epigastric artery c. Lateral border of the rectus sheath d. Obliterated umbilical artery e. Urachus

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