<prompt> Which statement best completes this sentence? The inguinal canal:Has a deep ring, which is a defect in the transversus abdominis muscleIs bounded posteriorly by the inguinal ligamentHas the internal oblique as pa of its posterior wall throughoutHas the conjoint tendon superiorly  <response>: The deep ring is a defect in the transversalis fascia. The inguinal ligament is the lower border of the external oblique aponeurosis and forms the inferior border of the inguinal canal. Superior Wall Roof Anterior Wall Posterior Wall Inferior Wall Floor Medial crus of aponeurosis of external oblique Musculoaponeurotic arches of internal oblique and transverse abdominal Transversalis fascia Aponeurosis of external oblique fleshy pa of internal oblique lateral third of canal only Superficial inguinal ring medial third of canal only Transversalis fascia conjoint tendon inguinal falx , reflected pa of innguinal ligament, medial third of canal only deep inguinal ring lateral third of canal only Inguinal ligament Lacunar ligament medial third of canal only Iliopubic tract lateral third of canal only Ref: Grays Anatomy 41st edition Pgno: 1079 